Genus: Dakosaurus QUENSTEDT, 1856
Etymology: Greek, dakos, "tearing" and Greek, sauros, "lizard"; Tearing Lizard, in reference to large, lateromediall compresses, and serrated teeth.
= Aggiosaurus AMBAYRAC, 1913
Etymology:
= Dacosaurus SAUVAGE, 1873 (sic)
= Neustosaurus RASPAIL, 1842 (nomen dubium)
Etymology:

Species: maximus (PLIENINGER, 1846) QUENSTEDT, 1856
Etymology: Latin, maximus, "great": Great tearing lizard.
= Geosaurus maximus PLIENINGER, 1846
= Megalosaurus schnaitheimii BUNZELL, 1871 (nomen nudum)

Holotype:

Locality: Unknown, Schnaitheim, Baden-Württemberg State, Germany.

Horizon: Solnhofen.

Biostratigraphy:

Age: Tithonian Stage, Middle Malm Epoch, Late Jurassic.

Material: Tooth. (Unknown and is presumed lost, YOUNG, BRUSATTE, ANDRADE, DESOJO, BEATTY, STEEL, FRENANDEZ, SAKAMOTO, RUIZ-OMENACA & SCHCH, 2012)

Neotype:

SMNS 8203

Locality: Staufen, Baden-Württemberg State, Germany.

Horizon: Mergelstatten Formation.

Biostratigraphy:

Age: Tithonian Stage, Middle Malm Epoch, Late Jurassic.

Material: Tooth.

Referred material:

SMNS 80148: Tooth.

BENTON & SPENCER, 1995

Locality: Smallmouth Sands, Weymouth, (SY 669764-SY 672772), Dorset County, England, Southern United Kingdom.

Horizon: Lower Kimmeridge Clay.

Biostratigraphy:

Age: Early Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material:

Number: Not given: Teeth.

 

FRAAS, 1902

Locality: Staufen, Baden-Württemberg State, South Germany.

Horizon: White Jura.

Biostratigraphy:

Age: Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material:

Number: Not given: Skull and skeleton lacking tip of tail and fore limbs.

 

= Dakosaurus cf. maximus FREY & TISCHLINGER, 2015

Locality: Painten, Bavaria State, Germany.

Horizon: Solnhofen.

Biostratigraphy:

Age: Late Kimmeridgian Stage, Malm Epoch, Late Jurassic.

Material:

SMNS 82043: Dentary.

 

LYDEKKER, 1888

Locality: Schnaitheim, Baden-Württemberg State, Germany.

Horizon: Solnhofen.

Biostratigraphy:

Age: Tithonian Stage, Middle Malm Epoch, Late Jurassic.

Material:

Number: Not given: Teeth.

YOUNG, BRUSATTE, ANDRADE, DESOJO, BEATTY, STEEL, FRENANDEZ, SAKAMOTO, RUIZ-OMENACA & SCHCH, 2012

NHMUK PV OR33186, PV OR35766, PV OR35835, PV OR3586, PV OR35837, SMNS 5194, 55420, 80148: Isolated teeth.

 

Locality: Boulogne, France.

Horizon: Portlandian.

Biostratigraphy:

Age: Middle Tithonian Stage, Upper Malm Epoch, Late Jurassic.

Material:

Number: Not given: Teeth.

 

Locality: Cambridgeshire County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Late Jurassic.

Material:

Number: Not given: Teeth.

 

Locality: Dorset County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age:

Material:

Number: Not given: Teeth.

 

 

Locality: Oxfordshire County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Oxfordian Stage, Lower Malm Epoch, Late Jurassic.

Material:

Number: Not given: Teeth.

 

Locality: Vaches Noires, France.

Horizon:

Biostratigraphy:

Age:

Material:

Number: Not given: Teeth.

 

LYDEKKER, 1890

Locality: Roswell Pits, Ely, (TL 555808, TL 552807), Cambridgeshire County, England, Southern United Kingdom.

Horizon: Lower Kimmeridge Clay.

Biostratigraphy:

Age: Early Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material:

BMNH 41802: Fragmentary cervical vertebra.

 

MADZIA, SZCZYGIELSKI & WOLNIEWICZ, 2021

Note: Orignally listed as Metriorhynchidae indet.

Locality: Czarnoglowy (Zarnglaff), Krzyzanowice, Poland.

Horizon:

Biostratigraphy:

Age: Kimmeridgian stage, Malm Epoch, Late Jurassic.

Material:

GG303-43, GG303-44: Teeth.

 

Locality: Wrzosowo (Fritzow), Poland.

Horizon:

Biostratigraphy:

Age: Kimmerdigian Stage, Malm Epoch, Late Jurassic.

Material:

GG303-42: Tooth.

 

OWEN, 1854

Locality: Near Monheim, in Franconia, North Rhine-Westphalia State, Germany.

Horizon: Upper Oolite.

Biostratigraphy:

Age: Bathonian Stage, Middle Dogger Epoch, Late Jurassic.

Material:

ROYAL COLLEGE OF SURGEONS 315: A portion of coral ragstone with a tooth.

 

PLIENINGER, 1846

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

Number: Not given: Part of a lower jaw with 6 teeth.

 

SAUVAGE, 1900

Locality: Fumel, Lot-et-Garonne Department, France.

Horizon:

Biostratigraphy:

Age: Late Jurassic.

Material:

Number: Not given:

 

YOUNG, BRUSATTE, ANDRADE, DESOJO, BEATTY, STEEL, FRENANDEZ, SAKAMOTO, RUIZ-OMENACA & SCHCH, 2012

Locality: Nusplingen, Baden-Württemberg State, Germany.

Horizon:

Biostratigraphy: H. beckeri Sub-Mediterranean Zone.

Age: Lower Tithonian Stage, Middle Malm Epoch, Late Jurassic.

Material:

SMNS 81793: Tooth.

 

Locality: Sontheim an der Branz, Baden-Württemberg State, Germany.

Horizon:

Biostratigraphy: H. beckeri Sub-Mediterranean Zone.

Age: Lower Tithonian Stage, Middle Malm Epoch, Late Jurassic.

Material:

SMNS 10819a: Broken and dorsoventrally compressed skull.

 

Locality: Painten, Baden-Württemberg State, Germany.

Horizon:

Biostratigraphy: Lithographic limestone.

Age: Lower Tithonian Stage, Middle Malm Epoch, Late Jurassic.

Material:

SMNS 82043: Right mandibular ramus.

 

Locality: Schernfield, Bayern (Baveria), Germany.

Horizon: Solnhofen Formation.

Biostratigrpahy: H. hybontonum, Sub-Mediterranean Zone.

Horizon: Lower Tithonian Stage, Middle Malm Epoch, Late Jurassic.

Material:

JME-SOS4577, JME-SOS2535: Isolated teeth.

 

= Plerodon crocodiloides MEYER, 1839
Etymology:
= Crocodilus pleindens MEYER, 1842

Holotype:

Locality: Switzerland.

Horizon:

Biostratigraphy:

Age:

Material: Teeth.

 

= Brachytaenius perennis MEYER, 1842
Etymology:

Holotype:

Locality: Aalen, Baden-Württemberg State, Germany.

Horizon: Brown Jura.

Biostratigraphy:

Age: Early Jurassic.

Material: Teeth.

 

= Liodon anceps WAGNER, 1853
Etymology:

Holotype:

Locality: Kelheim, Donau, North Bayern (Bavaria) State, Germany.

Horizon: Solnhofen.

Biostratigraphy:

Age: Tithonian Stage, Middle Malm Epoch, Late Jurassic.

Material: Teeth.

Referred material:

QUENSTEDT, 1858

Locality: Schnaitheim, Baden-Württemberg State, Germany.

Horizon: Solnhofen.

Biostratigraphy:

Age: Tithonian Stage, Middle Malm Epoch, Late Jurassic.

Material:

Number: Not given: Section of jaw with 3 teeth.

 

= Dakosaurus maximus var gracilis QUENSTEDT, 1858
Etymology:

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material: Teeth.

Referred material:

CORRY, 1922

Locality: Paris Basin, France.

Horizon: Portlandian.

Biostratigraphy:

Age: Middle Tithonian Stage, Upper Malm Epoch, Late Jurassic.

Material:

Number: Not given: Teeth.

 

DEBELAMAS, 1952

Locality: Var Department, France.

Horizon:

Biostratigraphy:

Age: Hauterivian Stage, Middle Neocomian Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

Number: Not given: Teeth and post cranial remains.

 

DEBELEMAS, 1957

Locality: Haute-Province, France.

Horizon:

Biostratigraphy:

Age: Neocomian Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

Number: Not given: 2 teeth, fragment of cranium, 3 cervical, 6 caudal vertebrae, 2 coracoids, 1 metatarsal and a number of fragments.

 

DEBELEMAS, 1958

Locality: Canjuers? France.

Horizon: L

Biostratigraphy:

Age: Late Jurassic.

Material:

Number: Not given: Teeth, left and right humerus, left ulna, right astragalus? right femur, coracoid, sternal, metatarsal, 3 dorsal and 2 caudal vertebrae, and ribs.

 

FRAAS, 1902

Locality: Staufen, Baden-Württemberg State, Germany.

Horizon: White Jura.

Biostratigraphy:

Age: Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material:

Number: Not given: A partial skeleton.

 

HULKE, 1869

Locality: Kimmeridge Bay, Dorset County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material:

Number: Not given: Teeth, ribs, vertebrae and other remains.

 

HUENE, 1926

Locality: Solothurn, Solothurn Canton, Switzerland.

Horizon: Portlandian.

Biostratigraphy:

Age: Middle Tithonian Stage, Upper Malm Epoch, Late Jurassic.

Material:

NMS 7009: Tooth.

 

PHILLPS, 1871

Locality: Shotover Hill, Oxfordshire County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material:

Number: Not given: Teeth.

 

SAUVAGE, 1894

Locality: Boulonnais, Pas-de-Calais Department, France.

Horizon: Portlandian.

Biostratigraphy:

Age: Middle Tithonian Stage, Upper Malm Epoch, Late Jurassic.

Material:

Number: Not given: Teeth.

 

SAUVAGE, 1900, 1902

Locality: Fumel, Lot-et-Garonne Department, France.

Horizon:

Biostratigraphy:

Age: Late Jurassic.

Material:

Number: Not given: Teeth, a dorsal vertebra, left coracoid and possibly other material.

 

SEELEY, 1869

Locality: East Anglia.

Horizon:

Biostratigraphy:

Age: Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material:

Number: Not given: Teeth, etc.

 

WALKER, 1866

Locality: Ely, Cambridgshire County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material:

NHMUK PV OR20283: Teeth.

 

Locality: Bedfordshire County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material:

Number: Not given: Teeth.

 

WOOD MASON, 1869

Locality: Shotover Hill, Oxfordshire County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material:

Number: Not given: Teeth.

 

Locality: Boulogne-sur-Mer, Pas-De-Calais Department, France..

Horizon: Chatillon Formation.

Biostratigraphy: A. autissiodorensis sub-Boreal Zone.

Age: Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material:

NHMUK PV OR32414, SMNS 57210: Teeth.

SMNS 56999: Partial maxilla.

 

Locality: Ely, Cambridgeshire County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material:

Number: Not given: Teeth.

 

Locality: Potten Sand, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Late Jurassic.

Material:

Number: Not given: Teeth.

= Dakosaurus lissocephalus SEELEY, 1869
Etymology: Greek, lisso, "smooth" and Greek, cephalus, "head"; 'Smooth-headed tearing lizard' because the holotype lacks cranial ornamentation.

Holotype: Woodwardian Museum CAMSM J.29419

Locality: Roswell Pits, Ely, (TL 555808, TL 552807), Cambridgeshire County, England, Southern United Kingdom.

Horizon: Lower Kimmeridge Clay Formation.

Biostratigraphy: eudoxus ammonite zone.

Age: Upper Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material: Skull and other material.

Referred material:

CASMSM J.29383-J.29418, J.29420-J.29446: Skull bones, jaw fragments, vertebrae, ribs, pectoral and pelvic girdle elements and limb bones.

_____________________________________________________________________________________

Species: paradoxus (WAGNER, 1853)
Etymology:
= Liodon paradoxus WAGNER, 1853

Holotype:

Locality: Kelheim, Bayern (Bavaria) State, Germany.

Horizon: Solnhofen.

Biostratigraphy:

Age: Tithonian Stage, Middle Malm Epoch, Late Jurassic.

Material: Teeth.

Referred material:

FRAAS, 1902

Locality: Schnaitheim, Baden-Württemberg State, Germany.

Horizon: White Jura.

Biostratigraphy:

Age: Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material:

Number: Not given: Fragment of a right dentary and teeth.

_____________________________________________________________________________________

Species: primaeuvs (SAUVAGE, 1871)
Etymology:
= Liodon primaevum SAUVAGE, 1871

Holotype:

Locality: Boulogne-sur-Mer, Pas-De-Calais Department, France.

Horizon:

Biostratigraphy:

Age: Late Jurassic.

Material: Teeth.
_____________________________________________________________________________________

Species: nicaeensis (AMBAYRAC, 1913) YOUNG & de ANDRADE, 2009
= Aggiosaurus nicaeensis AMBAYRAC, 1913
Etymology: 'Tearing lizard from Nice'.
= Megalosaurus nicaeensis (AMBAYRAC, 1913)

Holotype: MHNN unnumbered

Locality: Along the road from the Cap d'Ail-La Turbie railway station to the town of La Turbine, between Nice and Menton, at an altitude of 240 m, French Riviera, France.

Horizon:

Biostratigraphy:

Age: Upper Oxfordian Stage, Lower Dogger Epoch, Middle Jurassic.

Material: Jaw fragment.

_____________________________________________________________________________________

Species: andiniensis VIGNAUD & GASPARINI, 1996
Etymology: From the Andean Cordillera; terring lizard from the Andes.
= Metriorhynchus aff. durobrivensis GASPARINI, 1985

Holotype: MHNSR PV 344

Locality: Cari-Lauguen, banks of the Barrancas River, Malargue Department, Province of Mendoza, Argentina.

Horizon: Vaca Muerta Formation, Mendoza Group.

Biostratigraphy:

Age: Tithonian Stage, Upper Malm Epoch, Late Jurassic.

Material: Fragment of a rostrum.

Referred material:

GASPARINI, POL, & SPALLETTI, 2006, POL & GASPARINI, 2009

Locality: Yesera del Tromen-Pampa Tril, Neuquen Province, Patagonia, Argentina.

Horizon: Vaca Muerta Formation, Mendoza Group.

Biostratigraphy:

Age: Tithonian Stage, Upper Malm Epoch, Late Jurassic.

Material:

MOZ 6146P: Almost complete skull and lower jaw with fragmentary postcrnia.

Locality: Yesera del Tromen-Pampa Tril, Neuquen Province, Patagonia, Argentina.

Horizon: Vaca Muerta Formation, Mendoza Group.

Biostratigraphy:

Age: Berriasian Stage, Lower Neocomian Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.

Material:

MOZ 6140P: Lower jaw.

 

= Dakosaurus cf. D. andiniensis HERRERA & VENNARI, 2015 (published 2014)

Locality: Vega de Escalone section, 37°11'S, 69°48'W, northern Neuquen Province, central west Argentina.

Horizon: Vaca Muerta Formation.

Biostratigraphy: Substeueroceras koeneni Biozone.

Age: Uppermost Tithonian Stage, Upper Malm Epoch, Late Jurassic-lower most Berriasian Stage, Lower Neocomian Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.

Material:

MPZ-PV 089: Incomplete skull.