Genus: Temnodontosaurus LYDEKKER, 1889
Etymology: Greek, temno, “to cut”, Greek, odont- (odous), “tooth”, Greek, sauros, “lizard”: Cutting-toothed lizard.
= Oligostinus HAWKINS, 1840
Etymology:

Species: platyodon (CONYBEARE, 1822) LYDEKKER, 1889
Etymology: Greek, platy, "broad, flat, wide" and Greek, odon, “tooth.”
= Ichthyosaurus immanis KÖNIG, 1820 (nomen dubium) (as per DELAIR, 1960)
= Ichthyosaurus platyodon CONYBEARE 1822
= Leptopterygius platyodon (CONYBEARE, 1822) HUENE, 1922
= Leptopterygius (Ichthyosaurus) platyodon (CONYBEARE, 1822) DELAIR, 1969
= Proteosaurus platyodon (CONYBEARE, 1822) McGOWAN, 1972

Holotype:

Locality: Lyme Regis or Somerset, Dorset County, England, Southern United Kingdom.

Horizon: Lower Liassic.

Biostratigraphy:

Age: Lower Lias Epoch, Early Jurassic.

Material: Tooth.
Note: Now lost.

Neotype:

= Ichthyosaurus chiroligostinus HAWKINS, 1834
Etymology:
= Oligostinus HAWKINS, 1840

Holotype: NHMUK PV OR (old BMNH) 2003

Locality: Church Cliffs, Lyme Regis, Dorset County, England, Southern United Kingdom.

Horizon: Shales-with-Beef.

Biostratigraphy: A. scipionianum sub-zone, A. semicostatum biozone.

Age: Sinemurian Stage, Lower Lias Epoch, Early Jurassic.

Material: Near complete skull and skeleton.

Note: Oligostinus HAWKINS, 1840, Ichthyosaurus platyodon BUCKLAND, 1836, OWEN, 1840, 1881, MANTELL, 1851, WRIGHT, 1878-1886, KIPRIJANOFF, 1881, LYDEKKE,R 1889, WOODWRD & SHERBORN, 1890, DELAIR, 1969, Leptopterygius platyodon HUENE, 1922, Proteosaurus platyodon McGOWN, 1971, neotype Temnodontosaurus platyodon McGOWAN, 1974, 1991, 1994, 1996, MASSARE, 1988, BENTON & SPENCER, 1995, MONTANI et al. 1999, McGOWAN & MONTANI, 2003, CHAPMAN & MILNE,R 2010, VINCENT et al., 2014, LOMAX & MASSARE, 2015, 2016 (from Weedon & Chapman, 2022).

Referred material:

NHMUK PV (old BMNH) R2918: Skull and skeleton.

Note: Temnodontosaurus platyodon McGowan, 1974, Bennett et al., 2012 (from Weedon & Chapman, 2022).

OUMNH PAL-J.29170 (old OUM J29170): Incomplete skeleton, skull, backbone with tistal tail missing forefins and a hind fin.

Note: Temnodontosaurus platyodon (McGowan, 1974, 1994, 1996, McGowan & Motani, 2003, Montani et al. 2013 (from Weedon & Chapman, 2022).

NHMUK PV (old BMNH) R1155: A large three-dimensional skull.

Note: Ichthyosaurus platyodon LYDEKKER, 1889, Proteosaurus platyodon McGOWAN, 1972, Temnodontosaursu platyodon McGOWAN, 1974, 1996, Chapman & Milner, 2010 (from Weedon & Chapman, 2022).

NHMUK PV (old BMNH) R 215: A large isolated skull.

Note: Ichthyosaurus platyodon LYDEKKER, 1889, Proteosaurus platyodon McGOWAN, 1972, Temnodontosaurus platyodon McGOWAN, 1874, 1996, MASSARE, 1987, FERNANDEZ et al., 2005 (from Weedon & Chapman, 2022).

BRLSMI (old BATGM) M3577a: Large three-dimensional skull.

MASSARE, LOMAX, WILLIAMS & HOWELLS, 2024

BRLSI M3576: Forefin.

Locality: Foreshore below cliffs between Lyme Regis and Charmouth, Dorset State, England, Southern United Kingdom.

Horizon: Blue Lias Formation.

Biostratigraphy:

Age: Sinemurian Stage, Lower Lias Epoch, Early Jurassic.

Material:

NHMUK PV (old BMNH) R1158: A well-preserved three-dimensional skull, partial vertebral colume, associated ribs and part of left pectoral girdle.

Note: unnamed taxon first distinguisehd from extinct marine crocodiles Home, 1814, Ichthyosaurus tenuirostris Pidegeon, 1830, Ichthyosaurus platyodon Buckland, 1836, Owen, 1840, 1881, Mantell, 1851, Lydekke,r 1889, Woodward & Sherborn, 1890, Leptopterygous platyodon Huene, 1822, Proteosaurus platyodon McGOWAN, 1972, Temnodontosaurus platyodon McGowan, 1874, 1994, 1996, Howe et al, 1981, Clark, 1889, Torrens, 1995, Tickell, 1995, McGowan & Motani, 2003, Fernandez et al, 2005, Milner & Walksh, 2010, Chapman & Milner, 2010, Bennett et al, 2012, Vincent et al. 2014, Massare & Lomax, 2917, Massare et al, 2021 (from Weedon & Chapman, 2022).

 

Locality: Lyme Regis, Dorset County, England, Southern United Kingdom.

Horizon: 'Broad Ledge' (ambiguous in terms of bed number).

Biostratigraphy:

Age: Sinemurian Stage, Lower Lias Epoch, Early Jurassic.

Material:

ROM VP 7972: Partial skull.

Note: Proteosaurus platyodon McGowan, 1972, Temnodontosurus platyodon McGowan, 1972 (from Weedon & Chapman, 2022).

 

Locality: Lyme Regis, Dorset State, England, Southern United Kingdom.

Horizon: Blue Lias Formation.

Biostratigraphy: A. bucklandi biozone.

Age: Sinemurian Stage, Lower Lias Epoch, Early Jurassic.

Material:

SMNS 9445: A complete and articulated pectoral girdlae and an associated and articulated forefin.

Note: Leptopterygius platyodon Huene, 1922, Temnodontosaursu platyodon McGowan, 1996 (from Weedon & Chapman, 2022).

WEEDON & CHAPMAN, 2022

Locality: Lyme Regis, Dorset County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Lias Epoch, Early Jurassic.

Material:

NHMUK (old BMNH) PV OR 2004: Skull.

Note: Ichthyosaurus chiroligostinus HAWKINS, 1834, Oligostinus HAWKINS, 1840, Ichthyosaurus breviceps OWEN, 1881, Ichthyosaurus platyodon LYDEKKER, 1889, Temnodontosaurus platyodon McGOWN, 1974.

NHMUK (old BMNH) PV OR 2149, 2150: Large atlas and axis, associated with basioccipital.

Note: Ichthyosaurus platyodon LYDEKKER, 1889, Temnodontosaurus platyodon McGOWNA, 1974, McGOWAN & MOTANI, 2003, CHAPMAN & MILERN, 2010.

NHMUK (old BMNH) PV OR 25273: Rostrum with well-preserved teeth.

Note: Ichthyosaurus communis LYDEKKER, 1889.

NHMUK PV (old BMNH) R 1159: Skull.

Note: Ichthyosaurus platyodon LYDEKKEr, 1889, Temnodontosaurus platyodon McGOWAN, 1974 (from Weedon & Chapman, 2022).

 

BERCKHEMER, 1938

Locality: Herlikofen, near Schwabish-Gmund, Stuttgart, Baden-Wurttemberg State, Germany.

Horizon:

Biostratigraphy:

Age: Lias Epoch, Early Jurassic.

Material:

Number: 16.665: Fragment of snout with teeth.

Number: 16.666: Premaxilla with teeth.

 

DOLLO, 1909

Locality: Stockem, near Arlon, Luxemburg.

Horizon:

Biostratigraphy:

Age: Middle Lias Epoch, Early Jurassic.

Material:

Number: Not given:

 

GODEFROIT, 1993

Locality: Arlon, Lorriane, Belgium.

Horizon:

Biostratigraphy:

Age: Upper Sinemurian Stage, Lower Lias Epoch, Early Jurassic.

Material:

IRSNB R122: Fragmentary skull and fragmentary skeleton.

IRSNB R123: Fragmentary skull and fragmentary skeleton.

 

OWEN, 1854

Locality: Lyme Regis, Dorset County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Lower Lias Epoch, Early Jurassic.

Material:

Royal College of Surgeons 165: Cast of basioccipital.

Royal College of Surgeons 166: Cast of axis centrum.

Royal College of Surgeons 167: Cast of the 3rd cervical.

Royal College of Surgeons 168: Cast of anchylosed bodies of atlas and axis with hypapophysis wedged into their inferior interspace.

Royal College of Surgeons 169: Tooth.

Royal College of Surgeons 170: Tooth.

 


Locality: Street, Somersetshire County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Lias Epoch, Early Jurassic.

Material:

Royal College of Surgeons 171: Cast of a left scapula.

 

PATON, 1975

Locality: ?Lyme Regis, ? Dorset County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Sinemurian Stage, Lower Lias Epoch, Early Jurassic.

Material:

RSM: 1 skull.

 

MAISCH & HUNGENBUHLER, 2001

Locality: Black Ven, Charmouth, Dorset State, England, Southern United Kingdom.

Horizon: Black Ven Marls.

Biostratigraphy: A. obtusum Biozone.

Age: Sinemurian Stage, Late Early Lias Epoch, Early Jurassic.

Material:

Private collection of Mr. David Sole, BRSMG SOLE: Almost complete skull, trunk and caudal vertebrae jsut beyond tail bend.

WEEDON & CHAPMAN, 2022

NHMUK PV OR (old BMNH) 41220: Portion of premaxilla plus teeth.

 

REIFF

Locality: Malsch, Baden-Wurttemberg State, Germany.

Horizon: Doppelfels.

Biostratigraphy: Kuperfel zone.

Age: Late Triassic?

Material:

Karlsruhe, bad. Landessammling f. Naturkde: Dorsal vertebrae.

 

DELAIR, 1960

Locality: Lyme Regis, Dorset County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Lower Lias Epoch, Early Jurassic.

Material:

NHMUK PV (old BMNH) R267b: A small right scapula.

NHMUK PV (old BMNH) 28507: A flattened humerus or femur.

NHMUK PV (old BMNH) 28285: Ilium.

 

WEEDON & CHAPMAN, 2022

Locality: Church Cliff, Lyme Regis, Dorset County, England, Southern United Kingdom.

Horizon: Shales-with-Beef.

Biostratigraphy: A. semicostatum biozone.

Age: Sinemurian Stage, Lower Lias Epoch, Early Jurassic.

Material:

LRM L.2013.20: Skull, partial right forefin and 6 associated vertebrae.

 

Locality: Foreshore below Marine Parade, Lyme Regis, Dorset County, England, Southern United Kingdom.

Horizon: Shales-with-Beef.

Biostratigraphy: A. scipionianum sub-bizone, A. semicostatum biozone.

Age: Sinemurian Stage, Lower Lias Epoch, Early Jurassic.

Material:

LRM L.2020.75: Jaw fragments, near complete vertebral column to tip of tail, and parital forefins.

 

= Temnodontosaurus cf. platyodon MAISCH, 1999

Locality: Alpha-Olschiefer, Dusslingen, Baden-Wurttemberg State, Germany.

Horizon:

Biostratigraphy: Tuberculateus zone.

Age: Early Jurassic.

Material:

GPIT/Re/401: Humerus, femur, fibula, tibia, tibial, distal carpal I and phalanx 1.

 

= Ichthyosaurus lonchiodon OWEN, 1840
Etymology:
= Leptopterygius lonchiodon (OWEN, 1840) HUENE, 1922

Holotype: NHMUK PV OR (old BMNH) 14564

Locality: Lyme Regis, Dorset County, England, Southern United Kingdom.

Horizon: Lower Liassic.

Biostratigraphy:

Age: Lower Lias Epoch, Early Jurassic.

Material: Skull and skeleton.

Note: Oligostinus HAWKINS, 1840, Ichthyosaurus lonchiodon OWEN, 1840, 1881, MANTELL, 1851, LYDEKKER, 1889, WOODWRD & SHERBORN, 1890, Leptopterygius lonchiodon HUENE, 1822, Proteosaurus platyodon McGOWAN, 1972, Temnodontosaurus platyodon McGOWAN, 1972, 1995, MASSARE, 1988, CHAPMAN & MILNER, 2010 (from Weedon & Chapman, 2022).

Referred material:

DELAIR, 1960

NHMUK PV (old BMNH) R1119: Immature individual.

NHMUK PV (old BMNH) R1166: Large mandible.

NHMUK PV (old BMNH) 28398: Skull bones and teeth.

NHMUK PV (old BMNH) R.319: Left scapula.

 

REIFF

Locality: Schonaich, Baden-Wurttemberg State, Germany.

Horizon: Arientenkalk.

Biostratigraphy:

Age: Early Jurassic.

Material:

Stuttgart Naturaliensammlung: Teeth and skull fragment.

 

cf. lonchiodon REIFF

Locality: Vaihingen, Baden-Wurttemberg State, Germany.

Horizon: Angulatenton.

Biostratigraphy:

Age: Early Jurassic.

Material:

Stuttgart Naturaliensammlung: Cervical vertebrae and hamahophysen.

 

Locality: Vainhingen, Baden-Wurttemberg State, Germany.

Horizon: Arientenkalk.

Biostratigraphy:

Age: Early Jurassic.

Material:

Stuttgart Naturaliensammlung: Dorsal vertebrae.

 

Locality: Frittlingen, Baden-Wurttemberg State, Germany.

Horizon: Lower Areitenkalk.

Biostratigraphy:

Age: Early Jurassic.

Material:

Tubingen Geol. Univ. Inst: Dorsal vertebrae.

 

= ?platyodon or lonchiodon DELAIR, 1960

Locality: Lyme Regis, Dorset County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Lower Lias Epoch, Early Jurassic.

Material:

NHMUK PV (old BMNH) 40112: Right coracoid.

 

= Ichthyosaurus giganteus Leach vide OWEN, 1840 (nomen nudum)
Etymology: Laitn, giganteus, "giant, huge."

Holotype: NHMUK PV R 808, 809

Locality: Lyme Regis, Dorset County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Lower Lias Epoch, Early Jurassic.

Material:

NHMUK PV (old BMNH) R.809: Right pectoral limb.

NHMUK PV (old BMNH) R.808: Associated cranium.

Note: Ichthyosaurus immanis KONIG, 1820, Ichthyosaurus platyodon LYDEKKER, 1889, WOODWARD & SHERBORN, 1890, Temnodontosaurus platyodon CHAPMAN & MILNER, 2010 (from Weedon & Chapman, 2022).

Referred material:

PHILLIPPI, 1895/GASPARINI & GONI, 1990

Locality: Cajon del Durazano, Mendoza Province, Argentina.

Horizon:

Biostratigraphy:

Age: Callovian Stage, Middle Dogger Epoch, Middle Jurassic.

Material:

MNHN Santiago Chile: Fragmentary remains.

 


= Temnodontosaurus risor McGOWAM 1974
Etymology:
= Ichthyosaurus communis OWEN, 1849 (partim)
= Ichthyosaurus communis LYDEKKER, 1889 (partim)

Holotype: NHMUK PV (old BMNH) 43971

Locality: Lyme Regis coast, Pinhay Bay- Charmouth, (SY 3291-SY 3794), Dorset County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Upper Hettangian to Lower Sinemurian Stage, Lower Lias Epoch, Early Early Jurassic.

Material: Skull and some cervical vertebrae with cervical ribs of a juvenile.

Note: Ichthyosaruus communis LYDEKKER, 1889, Proteosaurus sp McGOWAN, 1972, 1994, Temnodontosaurus risor McGOWAN, 1974, MASSARE, 1997, BENTON & SPENCER, 1995, Temnodontosaurus platyodon McGOWAN, 1994, 1996 (from Weedon & Chapman, 2022).

Referred material:

NHMUK PV R (old BMNH) 311: Partial skull.

Note: Ichthyosaurus communis OWEN, 1840, LYDEKKEr, 1889, WOODWARD & SHERBORN, 1890, Proteosaurus sp McGOWAN, 1972, Temnodontosaurus risor McGOWAN, 1974, MASSARE, 1987, Temnodontosaurs platyodon McGOWAN, 1994, 1996, CHAPMAN & MILNER, 2010 (from Weedon & Chapman, 2022).

SMC J68446: Skull of a juvenile.

Note: Proteosaurus sp McGowan, 1972, Temnodontosaurus risor McGowan, 1974, Temnodontosaurus platyodon McGowan, 1994.

 

McGOWAN, 1994

Locality: On the shore at Black Ven, just to the east of Lyme Regis, Dorset County, England, Southern United Kingdom.

Horizon: Lower Liassic.

Biostratigraphy: Asteroceras obtusum Zone.

Age: Late Sinemurian Stage, Lower Lias Epoch, Early Jurassic.

Material:

Bristol City Museums and Art Gallery: Skull, interclavicle, right clavicle, right coracoid, proximal portion of left coracoid, and cervical vertebrae, dorsal vertebrae, ribs, left clavicle, scapula, distal portion of left coracoid, and left forefin, left hindfin, partial right hindfin and partial pelvic girdle and caudal vertebrae.

_____________________________________________________________________________________

Species: acutirostris (OWEN, 1840) McGOWAN & MOTANI, 2003
= Ichthyosaurus acutirostris OWEN, 1840
Etymology: Latin, acutirostris, "sharp beak."
= Leptopterygius acutirostris (OWEN, 1840) HUENE, 1922
= Stenopterygius acutirostris (OWEN, 1840) McGOWAN, 1974
= Leptonectes acustirostris (OWEN, 1840) McGOWAN, 1996
= Genus: Nova MAISCH, 2010

Holotype: NHMUK PV OR (old BMNH) 14553

Locality: Whitby, Yorkshire County, England, Southern United Kingdom.

Horizon:

Biostratigraphy: H. serpentinum or H. bifrons biozone.

Age: Lower Toarcian Stage, Upper Lias Epoch, Upper Early Jurassic.

Material: Skull, right left forefin and partial anterior post-cranium in left latera view (missing part of the rostrum).

Note: Ichthyosaurus acutirostris Owen, 1840, 1881, Lydekker, 1889, Benton & Taylor, 1984, Ichthyosaurus longipennis Mantell, 1851, Stenopterygius acutirostris McGown, 1974, Chapman & Doyle, 2002, Temnodontosaurus acutirostris McGowan & Motani, 2003, 'Ichthyosaurus' acutirostris genus to be determined Maisch, 2010, Lomax, 2019 (from Weeden & Chapman, 2022).

Referred material:

NHMUK PV OR (old BMNH) 39454: Skull of a juvenile with slightly damaged rostrum.

Note: Ichthyosaurus acutirostris Lydekker, 1889, Leptopterygius acutirostris Benton & Taylor, 1984, Temnodontosaurus acutirostris McGowan & Motani, 2003 (from Weeden & Chapman, 2022).

NHMUK PV OR (old BMNH) 36876:

WMY 878S: Skulls, most ribs, most vertebraed, bothcoracoids and base of right forelimb.

Note: Stenopterygius acutirostris McGowan, 1974, Leptopterygius acutirostris Benton & Taylor, 1984, Tenmndontosaurus acutirostris McGowan & Motani, 2003 (from Weeden & Chapman, 2022).

WMY 876S(H1): Skull.

 

Locality: Saltwick, Yorkshire County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Toarcian Stage, Upper Lias Epoch, Upper Early Jurassic.

Material:

WMY 877S: Skull with some post-cranials.

Note: Ichthyosaur Young & Bird, 1822, Stenopterygius acutirostris McGowan, 1974, Leptopterygius acutirostris Benton & Tayloer, 1984, Temnodontosaurus acutirostris McGowan & Motani, 2003 (from Weeden & Chapman, 2022).

 

Locality: Whitby-Saltwick, Yorkshire County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Toarcian Stage, Upper Lias Epoch, Upper Early Jurassic.

Material:

NHMUK PV OR (old BMNH) 15500a: Partially crushed skull with decured rostrom.

Note: Ichthyosaurus acutirostris Lydekke,r 1889, Stenpterygius acutirostris McGowan, 1974, Leptopterygius acutirostris Benton & Taylor, 1984, Temnodontosaurus acutirostris McGowan & Motani, 2003, Weeden & Chapman, 2022 'Ichthyosaurus' acutirostris genus to be determined Maisch, 2010, Lomax, 2019 (from Weeden & Chapman, 2022).

 

Locality: Loftus, Yorkshire County, England, Southern United Kingdom.

Horizon: Alum Shales.

Biostratigraphy: H. bifrons biozone.

Age: Toarcian Stage, Lias Epoch, Early Jurassic.

Material:

WMY 5: Skull and skeleton lacking hind fins.

Note: Ichthyosaurus platyodon Simpson, 1884, Stenopterygius acutirostris McGowan, 1974, Leptopterygius acutirostris Benton & Taylor, 1984, Temnodontosaurus crassimanus McGowan & Motani, 2003, Lomax, 2019, ?Temnodontosaurus sp Swaby & Lomax, 2020, Weeden & Chapan, 2022 (from Weeden & Chapman, 2022).

 

BENTON & TAYLOR, 1983/OWEN, 1840

Locality: Kettleness, Yorkshire County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Lias Epoch, Early Jurassic.

Material:

MM unnumbered:

 


Locality: Stathes-Port Mulgrave, Yorkshire County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Lias Epoch, Early Jurassic.

Material:

NHMUK PV (old BMNH) R5791: Poorly preserved skull lacking end of snout.

Note: Leptopterygius acutirostris Benton & Taylor, 1984, Temnodontosaurus acutirostris McGowan & Motani, 2003 (from Weeden & Chapman, 2022).

 

= Ichthyosaurus longipennis MANTELL, 1851
Etymology:

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

_____________________________________________________________________________________

Species: zetlandicus (SEELEY, 1880) LABOURY, BENNION, THUY, WEIS & FISCHER, 2022
= Ichthyosaurus zetlandicus SEELEY, 1880
Etymology:
= Stenopterygius zetlandicus (SEELEY, 1880) HUENE, 1922

Holotype: Sedgwick Museum, SMC J35176

Locality: Likely from the Loftus Alum Quarry close to Whitby, Yorkshire County, England, Southern United Kingdom.

Horizon: Whitby Mudstone Formation.

Biostratigraphy:

Age: Lower Toarcian Stage, Upper Lias Epoch, Late Early Jurassic.

Material: Partial skull.

Note: Ichthyosaurus zetalandicus Seeley, 1880, Lydekker, 1889, Woodward & Sherborn, 1890, Stenopterygius zetlandicus Huene, 1922, Stenopterygius acutirostris McGowan, 1974, Leptopterygius acutirsotris Benton & Tyaloe,r 1984, Temnodontosaurus acutirostris McGowan & Motani, 2003, Ichthyosaurus zetlandicus synonymof Temnodontosaurus acutirostris Lomax, 2019, Stenopterygius triscissus Maisch, 2008 (from Weeden & Chapman, 2022).

Referred material:

= Temnodontosaurus cf. zetlandicus

Locality: Schouweiler, Grand Duchy, Luxembourg.

Horiozn: Schistes Carton Formation.

Biostratigraphy:

Age: Lower Toarcian Stage, Upper Lias Epoch, Late Early Jurassic.

Material:

MNHNL TU885: Partial skull.

 

HUENE, 1922

Locality: Holzmaden, Baden-Wurttemberg State, Germany.

Horizon:

Biostratigraphy:

Age: Upper Lias Epoch, Late Early Jurassic.

Material:

Number: Not given: Skull and skeleton.

Number: Not given: Skull and skeleton.

Number: Not given: Scapula and coracoid.

Number: Not given: Scapula.

 


Locality: Normandy, France.

Horizon:

Biostratigraphy:

Age: Upper Lias Epoch, Late Early Jurassic.

Material:

Number: Not given: Skull.

NHMUK PV (old BMNH) R 32699: Coracoid.

 

Locality: Banz, northern Bayern (Bavaria) State, Germany.

Horizon:

Biostratigraphy:

Age: Upper Lias Epoch, Late Early Jurassic.

Material:

Skull.

Teeth.

Humerus.

Other fragmentary skeletal elements.

 

= Stenopterygius zetlandicus DECHASEAUX

Locality: Curey, Normandy, France.

Horizon:

Biostratigraphy:

Age: Lias Epoch, Early Jurassic.

Material:

Number: Not given: Fragmentary skull.

 

= Temnodontosaurus acutirostris MAISCH & HUNGERBÜHLER, 2000

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

_____________________________________________________________________________________

Species: trigonodon (THEODORI, 1843) LYDEKKER, 1890
Etymology:
= Ichthyosaurus trigonodon THEODORI, 1843) LYDEKKER, 1890
= Leptopterygius trigonodon (THEODORI, 1843) HUENE, 1922

Holotype:

Locality: Near the river Main between Hausen and Unnersdorf, Germany.

Horizon:

Biostratigraphy:

Age: Lias Epoch, Early Jurassic.

Material: Skull and skeleton.

Referred material:

Locality: Kingsthorpe, Whibty, Yorkshire County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Upper Lias Epoch, Early Jurassic.

Material:

NHMUK PV (old BMNH) 47153:

 

MAISCH & HUNGENBÜHLER, 2001

Locality: Werkforum Rohrbach Zement Dotternhausen, Baden-Wurttemberg State, Germany.

Horizon:

Biostratigraphy: falciferum zone.

Age: Lias epsilon II, bed 5, Toarcian Stage, Upper Lias Epoch, Late Early Jurassic.

Material:

WRZD 443: Skull lacking tip of snout.

 

Locality: Holzmaden, Baden-Wurttemberg State, Germany.

Horizon:

Biostratigraphy: falciferum zone.

Age: Lias epsilon II, bed 5, Toarcian Stage, Upper Lias Epoch, Late Early Jurassic.

Material:

SMNS 13128: Complete skull.

 

PARDO-PEREZ, KEAR, MALLIOSN, GOMEZ, MORONI & MAXWELL, 2019

Locality: Holzmaden, Baden-Wurttemberg State, Germany.

Horizon: Posidoniensciefer Formation.

Biostratigraphy:

Age: Lower-Middle Toarcian Stage, Upper Lias Epoch, Late Early Jurassic.

Material:

UMH 454: A complete three-dimensional skull with portion of anterior vertebral column and anterior pectoral gridles and forefins.

Note: With pathologies on the left and right premaxillae.

SMNS 15950: Skull and skeleton.

Note: Pathologies, on the skull with 12 roughly circular areas separated by a few centimeters with woven, disoriented fibres, and occasional reactive bone deposition on the dorsal and lateral left premaxilla. Left dorsal ribs (11-23, 30, 35, 37039) with healed fracture with callus, and on the right side (PARDO-PEREZ, KEAR, MALLIOSN, GOMEZ, MORONI & MAXWELL, 2019)

 

Locality: Frittlingen, district of Tuttlingen, Baden-Wurttemberg State, Germany.

Horizon: Posidoniensciefer Formation.

Biostratigraphy:

Age: Lower-Middle Toarcian Stage, Upper Lias Epoch, Late Early Jurassic.

Material:

GPIT/RE/9395: Skull.

Note: With pathologies, callus formaton on the premaxilla, nasal and dentary, and on the left lateral surface of the dentary with fiber remodeling as a result of healing process, ventrolatral margin of the angular with attchemtn of belemnite.

 

Locality: Schlierbach, Baden-Wurttemberg State, Germany.

Horizon: Posidoniensciefer Formation.

Biostratigraphy:

Age: Lower-Middle Toarcian Stage, Upper Lias Epoch, Late Early Jurassic.

Material:

GPIT/RE/1491/13: A complete skull and skeleton.

Note: Pathologies in the left forefin.

 

Locality: Mistelagu, Bavaria State, Germany.

Horizon: Jurensismergel Formation.

Biostratigraphy:

Age: Upper Toarcian Stage, Upper Lias Epoch, Late Early Cretaceous.

Material:

UM-O no. 4: incomplete anterior skull with some postcranial elements.

Note: Pathologies on the right premaxill and dentary.

_____________________________________________________________________________________

Species: crassimanus (TATE & BLAKE, 1876) McGOWAN & MONTANI, 2003
= Ichthyosaurus crassimanus TATE & BLAKE, 1876
Etymology:

Holotype: Yorkshire Museum (YORYM) G497

Locality: Kettlenees, north of Whitby, Loftus, Yorkshire County, England, Southern United Kingdom.

Horizon: Alum Shale.

Biostratigraphy: D. commune or P. fibulatum sub-biozones, H. bifrons Biozone.

Age: Toarcian Stage, Lower Lias Epoch, Early Jurassic.

Material: Fragmentary skull and fragmentary skeleton.

Note: Found near the type of Rhomaleosaurus cramptoni.

Note: Ichthyosaurus crassimanus Blake, 1876, Simpson, 1884, Woodward & Sherborn, 1890, Melmore, 1930, Benton & Tayloer, 1984, Benton & Spencer, 1995, Stenopterygius acutiostris McGowan, 1974, Temnodontosaurus crassimanus McGowan & Montani, 2003, Lomax, 2019, Swaby & Lomax, 2020 (from Weeden & Chapman, 2022).

Referred material:

BENTON & TAYLOR, 1984

Locality: Hawsker Bottoms, Near Jet Rock, Whitby, Yorkshire County, England, Southern United Kingdom.

Horizon: Bituminous Shale.

Biostratigraphy: H. falciferum sub-biozone, H. serpentinum Biozone.

Age: Toarcian Stage, Lias Epoch, Late Early Jurassic.

Material:

Whitby Museum WM 2456S (WHITM:SM2546s): 8 m skeleton.

Note: Stenopterygius acutirostris McGowan, 1974, Leptopterygius acutirostris Benton & Taylor, 1984, Temnodontosurus crassimanus McGowan & Motani, 2003, Lomax, 2019, Temnodontosaurus sp Swaby & Lomax, 2020, Temnodontosaurus ?crassimanus Weeden & Chapman, 2022 (from Weeden & Chapman, 2022).

 

DEEMING, HALSTEAD, MANABE & UNWIN, 1993

Locality: Kettleness, Yorkshire County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Hettangian-Sinemurian Stage, Lower Lias Epoch, Early Jurassic.

Material:

MANUM L1688: Most of vertebrae,well-preerved skull plus 2 partial forefins, a hind fin and many ribs.

Note: Temnotosaurus sp Lomax, 2011, Weeden & Chapman, 2022.

 

WEEDEN & CHAPMAN, 2022

Locality: Whitby, Yorkshire County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Toarcian Stage, Lias Epoch, Late Early Jurassic.

Material:

YORYM 1994.1799.53: Isolated forefin.

Note: Temnodontosaurus trigonodon Lomax, 2019, Temnodontosaurus ?crassimanus Weeden & Chapman, 2022 (from Weeden & Chapman, 2022).

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Species: burgundiae (GAUDRY, 1892) McGOWAN, 1996
Etymology:
= Ichthyosaurus burgundiae GAUDRY 1892
= Leptopterygius burgundiae (GAUDRY, 1892) McGOWAN, 1979

Holotype: MNHP 1889-28

Locality: Sainte-Colombe, France.

Horizon:

Biostratigraphy:

Age: Toarcian Stage, Upper Lias Epoch, Late Early Jurassic.

Material: Skull and skeleton.

Referred material:

MNHP 1903-16: Skull and skeleton.

 

Locality: Holzmaden, Baden-Wurttemberg State, Germany.

Horizon: Posidoniensciefer Formation.

Biostratigraphy:

Age: Lower-Middle Toarcian Stage, Upper Lias Epoch, Late Early Jurassic.

Material:

MHH B08, SMNS N2A: Skulls and skeletons.

SMNS 7762. 4996, 13228, N03, MNHP 1903-16, 1955-21, BSPM B03: Skulls.

 


Locality: Frittlingen, Baden-Wurttemberg State, Germany.

Horizon:

Biostratigraphy:

Age: Toarcian Stage, Upper Lias Epoch, Late Early Jurassic.

Material:

GPIT B04: Skull.

 


Locality: Goppingen, Baden-Wurttemberg State, Germany.

Horizon:

Biostratigraphy:

Age: Toarcian Stage, Upper Lias Epoch, Late Early Jurassic.

Material:

GPIT 1941/13: Skull and skeleton.

 

BOTTCHER, 1989

Locality: Ohmden, near Zell, Baden-Wurttemberg State, Germany.

Horizon:

Biostratigraphy: elegans subzone.

Biostratigraphy:

Age: Lower Toarcian Stage, Lower Lias Epoch, Early Jurassic.

Material:

SMNS Inv. Nr. 50 000: Skull, skeleton and stomach contents of 200 belmnoid cephalopod hooklets.

 

MCGOWAN, 1996

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

SMNS 52340: A complete skull and skeleton.

 

= Ichthyosaurus acutirostris FRAAS, 1891
Etymology:
= Leptopterygius acutirostris HUENE, 1922 (partim)

Holotype: Stuttgarter Sammlung 4996

Locality: Holzmaden, Baden-Wurttemberg State, Germany.

Horizon:

Biostratigraphy:

Age: Lower Lias Epoch, Early Jurassic.

Material: Skull and fragmentary skeleton.

 

= Ichthyosaurus ingens FRAAS, 1891 (nomen dubium)
Etymology: Latin, ingens, "enormous, huge."

Holotype: Stuttgarter Sammlung 4653

Locality: Holzmaden, Baden-Wurttemberg State, Germany.

Horizon:

Biostratigraphy:

Age: Lower Lias Epoch, Early Jurassic.

Material: Fragmentary skull.

Referred material:

Sammlung der Akademie Hohenheim: Fin.

Stuttgarter Sammlung: Coracoid.

 


Locality: Frittlingen, Baden-Wurttemberg State, Germany.

Horizon:

Biostratigraphy:

Age: Lower Lias Epoch, Early Jurassic.

Material:

Tubinger Sammlung 5750: Fragmentary skull.

 


Locality: Banz, northern Bayern (Bavaria) State, Germany.

Horizon:

Biostratigraphy:

Age: Lower Lias Epoch, Early Jurassic.

Material:

Number: Not given: Vertebrae.

 

= Ichthyosaurus acutirostris FRAAS, 1913

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

 

= Ichthyosaurus ingens or acutirostris FRAAS 1891

Holotype: Not given.

Locality:

Horizon:

Biostratigraphy:

Age:

Material: Rib.

 

= Stenopterygius megalorhinus HUENE, 1922 (partim)

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

Number: Not given:

 


= Leptopterygius trigonodon HUENE, 1931

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

Number: Not given:

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Species: nuertingensis (HUENE, 1931) MAISCH, & HUNGERBUHLER, 1997
Etymology:
= Leptopterygius nuertingensis HUENE, 1931
= Leptonectes nuertingensis (HUENE, 1931) McGOWAN, 1996

Holotype: SMNS 13488

Locality: The former Schott Cement Quarry, Nurtingen-Enzenhart, Baden-Wurttemberg State, Germany.

Horizon:

Biostratigraphy:

Age: Lower Pliensbachian Stage, Middle Lias Epoch, Middle Early Jurassic.

Material: A partial skull, 8 vertebrae, some ribs and a coracoid.
Note: The entire postcranial material from the same individual is lost (MAISCH, 1997)

Note: Pathologies on teh skull with 6 small areas with fibre rmodling on teh lateral surfaces of teh right premaxilla, 4 on the left premaxilla, multible mandibular pathologies (PARDO-PEREZ, KEAR, MALLISON, GOMEZ, MORONI & MAXWELL, 2019).

_____________________________________________________________________________________

Species: eurycephalus McGOWAN, 1974
Etymology:
= Ichthyosaurus breviceps OWEN, 1881 (partim)
= Eurypterygius breviceps HUENE, 1922
NON Ichthyosaurus platyodon LYDEKKER, 1889

Holotype: NHMUK PV (old BMNH( R1157

Locality: Lyme Regis, from a limestone bed called Broad Ledge, Dorset County, England, Southern United Kingdom.

Horizon: Lang's (1924) bed 53, Shales-with-Beef.

Biostratigraphy: A. scipionianum sub-biozone, A. semicostatum biozone.

Age: Lowermost Sinemurian Stage, Lower Lias Epoch, Early Jurassic.

Material: Skull.

Note: Ichthyosaurus breviceps Owen, 1882, Woodward & Sherborn, 1890, Ichthyosaurus platyodon Lydekke,r 1889, Eurypterygous breviceps Huene, 1822, Eurypterygous brevirostris Huene, 1922, Temnodontosaurus eurycephalus McGowan, 1974, 1991, Massare, 1987, Benton & Spencer, 1995, McGowan & Montani, 2003, Walmsely et al, 2013, Vicent et al, 2014 (from Weedon & Chapman, 2022).

Possible referred specimens as per Weedon & Chapman, 2022

Locality: Lyme Regis, Dorset County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Sinemurian Stage, Lower Lias Epoch, Early Jurassic.

Material:

NHMUK PV OR (old BMNH) 481: A partial vertebral column of 70 associated centra, ribs, scapulae and coracoids.

Note: Ichthyosaurus platyodon Owen, 1840, Hawkins, 1840, Lydekker, 1889, Temnodontosaurus platyodon McGowan, 1974, Chapman & Milner, 2010 Temnodontosaurus sp McGOWAN, 1996, McGowan & Motani, 2003.

NHMUK PV OR (old BMNH) 28283: Large tooth.

Note: Ichthyosaurus platyodon Lydekker, 1889, Temnodontosaursu sp McGowan, 1996, Temnodontosaurus platyodon Milner, & Walks, 2010 (as per Weedon & Chapma, 2022).

NHMUK PV OR (old BMNH) 28284: Large tooth within matrix.

Note: Ichthyosaurus platyodon Lydekker, 1889, Temnodontosaurus sp McGowan, 1886 (from Weedon & Chapman, 2022).

ANSP 10112: Large quadrate.

Note: Temnodontosaurus sp McGowan, 1996.

NHMUK PV OR (old BMNH) 28310: Large isoalted tooth.

Note: Ichthyosaurus platyodon Lydekker, 1889, Temnodontosaurus sp Mc Gowan, 1996, Temnodontosaurus platyodon Milner & Walsh, 2020.

NHMUK PV (old BMNH) R 226: Large centrum.

Note: Temnodontosaurus sp Lydekke,r 1889, McGowan, 1996.

MASSARE, LOMAX, WILLIAMS & HOWELLS, 2024

BRLSI M0647: Isolated tooth.

BRLSI M4795: Anterior jaw fragment.

BRLSI M4795: Lower jaw fragment.

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Species: azerguensis MARTIN, FISHER, VINCENT & SUAN, 2012
Etymology: Derived from 'Azergues', the local name of the valley and river flowing near the Belmont quarry.
= Temnodontosaurus nova MARTIN, FISHER, VINCENT & SUAN, 2011

Holotype: MAMSPLP (unnumbered)

Locality: Beaujolais foothills, near Lyon, Rhone Department, France.

Horizon:

Biostratigraphy: Bifrons zone.

Age: Middle Toarcian Stage, Upper Lias Epoch, Early Jurassic.

Material: Skull and skeleton.