Genus: Cricosaurus WAGNER, 1858
Etymology:
Greek, cricos, "ring" and Greek, sauros, "lizard"; Ring lizard; in reference
to the large sclerotic rings preserved in the orbits of the holotype.
= Enaliosuchus KOKEN, 1889
Etymology:
Species: elegans (WAGNER, 1852) WAGNER, 1958
Etymology: Latin, elegans, "elegant": 'Slender ring lizard'.
= Steneosaurus elegans WAGNER, 1852 (sic)
Holotype: BSPG AS I 504
Locality: Daiting, Bayern (Bavaria) State, Germany.
Horizon: Solnhofen.
Biostratigraphy: hybonotum ammonite zone.
Age: Lower Tithonian Stage, Middle Malm Epoch, Late Jurassic.
Material: Imperfect skull.
Referred material:
= Cricosaurus cf. elegans FREY & TISCHLINGER, 2015
SNSB-BSPG 1977 XIX 38: Skull, lower jaw and cervical vertebrae.
LYDEKKER, 1888
Locality: Eichstadt, Bayern (Bavaria) State, Germany.
Horizon: Solnhofen.
Biostratigraphy:
Age: Tithonian Stage, Middle Malm Epoch, Late Jurassic.
Material:
BMNH 43005: Skull and part of the vertebral column.
Locality: Solenhofen, Bayern (Bavaria) State, Germany.Horizon: Solnhofen.
Biostratigraphy:
Age: Tithonian Stage, Middle Malm Epoch, Late Jurassic.
Material:
BMNH 37006: Anterior portion of skull of an immature individual.
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Species: gracilis (PHILLIPS, 1871) YOUNG & de ANDRADE, 2009
Etymology: 'Gracile ring lizard'.
= Steneosaurus gracilis PHILLIPS, 1871
= Metriorhynchus gracilis (PHILLIPS, 1871)
WOODWARD, 1885
Holotype: OXFUM J.1431
Locality: Shotover, Oxfordshire County, England, Southern United Kingdom.
Horizon: Portlandian, Upper kimmeridge clay formation.
Biostratigraphy: pectinatus ammonite zone.
Age: Middle Tithonian Stage, Upper Malm Epoch, Late Jurassic.
Material: Posterior portion of a skull.
Referred material:
DELAIR & WIMBLEDON, 1993
Locality: Shotover, Oxfordshire County, England, Southern United Kingdom.
Horizon: ‘Oolite’, Portland Stone.
Biostratigraphy:
Age: Middle Tithonian Stage, Upper Malm Epoch, Late Jurassic.
Material:
OUM: Skull.
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Species: medius WAGNER, 1858
Etymology:
Holotype:
Locality: Daiting, Bayern (Bavaria) State, Germany.
Horizon: Solnhofen.
Biostratigraphy:
Age: Tithonian Stage, Middle Malm Epoch, Late Jurassic.
Material: Imperfect skull.
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Species: suevicus (FRAAS, 1902) YOUNG & de ANDRADE,
2009
= Geosaurus suevicus FRAAS, 1902
Etymology:
Lectotype: SMNS 9808
Locality: Nusplingen, Baden-Wurttemberg State, Germany.
Horizon: White Jura.
Biostratigraphy: beckeri ammonite zone.
Age: Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.
Material: Skull and skeleton.
Referred material:
SMNS 90513: Complete skull and skeleton in matrix.
= Gavilis priscus QUENSTEDT, 1855 non SOMMERING, 1816
Etymology:
Holotype:Locality:
Horizon:
Biostratigraphy:
Age:
Material:
= Rhachenosaurus gracilis QUENSTEDT, 1885 non SOMMERING, 1816
Etymology:Number:
Locality:
Horizon:
Biostratigraphy:
Age:
Material:
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Species: arauceansis (GASPARINI & DELLAPE,
1976) YOUNG & de ANDRADE, 2009
= Geosaurus arauceansis GASPARINI & DELLAPE,
1976
Etymology:
Holotype: MLP 72-IV-7-1
Locality: Cerro Lotena, Zapala, Neuquen Province, Argentina.
Horizon: Vaca Muerta Formation.
Biostratigraphy:
Age: Lower Tithonian Stage, Upper Malm Epoch, Late Jurassic.
Material: Skull, and pectoral region.
Referred material:
FERNANDEZ & GASPARINI, 2000
MLP 76-XI-19-1, MLP 86-XI-10-6: Fragmentary skulls and mandibles.
POL & GASPARINI, 2007
MLP 72-IV-7-2: Fragmentary skull including rostral region up to the prefrontals, associated with right mandibular ramus.
MLP 72-IV-7-3: Skull lacking occipital region, associated with manidublar ramus.
MLP 72-IV-7-4: Complete skull with rostral region preserved up to the antorbital openings.
MLP 86-IV-25-1: Dentary remains.
MLP 86-IV-XI-5-7: Skull fragments.
MACN-N 95: Skull and lower jaws inarticulation with cervicondorsal vertebrae.
MACN-N 64: Anterior tip of rostrum.
HERRERA, 2015
MLP 72-IV-7-10, MLP 73-II-278-6, MLP 86-XI-5-7, MLP 86-XI-10-6, MLP 86-XI-10-7, MLP 92-III-6-1, MOZ-PV 066: Nearly complete skulls.
MLP 73-II-27-3, MLP 76-XI-19-1, MLP 84-V-1-1, MOZ-PV 7201, MOZ-PV 7202, MOZ-PV 7204, MOZ-PV 7207, MOZ-PV 7216: Natural endocasts of the skull cavities.
FERNANDEZ & GASPARINI, 2008
MLP 76-XI-19-1, 84-V-1-1, 86-XI-10-6: 3 adult skulls.
MLP 73-II-27-1: Subadult skull.
MLP 86-XI-10-7: Juvenile skull.
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Species: vignaudi (FREY, BUCHY, STINNESBECK & LOPEZ-OLIVA,
2002) YOUNG & de ANDRADE, 2009
= Geosaurus vignaudi FREY, BUCHY, STINNESBECK & LOPEZ-OLIVA,
2002
Etymology: In honor of Dr. Patrick Vignaud (Universite de Poitiers, France),
who undertook an extensive review of the Thalattosuchia and helped substantially
to clarify the taxa within the Thalottosuchia.
Holotype: UANL-FCT-R1
Locality: Near the village of Mazatepce, Pubela State, Mexico.
Horizon: La Pimienta Formation.
Biostratigraphy:
Age: Middle Tithonian Stage, Upper Malm Epoch, Late Jurassic.
Material: Nearly complete skull and dentary, atlas, axis and first 4 cervical vertebrae.
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Species: lithographicus HERRERA, GASPARINI & FERNANDEZ, 2013
Etymology: Lithograhpicus refers to the lithographic limestone of El Ministerio
Quarry (Los Catutos Member, Vaca Muerta Formation).
Holotype: MOZ-PV 5787
Locality: El Ministerio Quarry, Los Catutos Area, 38°47'40"S, 79°10'05"W, Zapala Department, Neuquen Province, Patagonia, Argentina.
Horizon: Los Catutos Member, Vaca Muerta Formaton.
Biostratigraphy: Aulacospinctes proximus and Windhauseniceras intenispinosum zone.
Age: Upper Lower-Middle Upper Tithonian Stage, Upper Malm Epoch, Late Jurassic.
Material: Nearly complete skull with articulated lower jaws, dorsal, sacral and caudal vertebrae, pectoral girdle element, incomplete forelimb, pelvic girdle elements and an incomlpete hind limb.
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Species: bambergensis SACHS, YOUNG, ABEL, & MALLISON, 2019
Etymology: Named after the city of Bamberg, Bamberg District, Bavaria State, Southern Germany; where the specimen is housed and that is the namesake of the Bamberg District, which encompasses the type locality at Wattendorf.
Holotype: NKMB-P-Watt14/274
Locality: Kalk- und Dolomitbruch der Andreas Schorr GmBh, Wattendorf, Bamberg District, Bavaria State, Southern Germany.
Horizon: Wattendorf Member, Torleite Formaton.
Biostratigraphy: Aulacostephanus pseudomutabilis Tethys Ammonite Zone.
Age: Late Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.
Material: Nearly complete skull with articulated skeleton.
Note: With skin impressions.
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Species:
puelchorum HERRERA, FERNANDEZ & VENNARI, 2021
Etymology: Mapudungun, pwelches, "people of the East."
Holotype: MCNAM-PV 5096
Locality: Arroyo Paulino, 34°58'S, 60°49'W, cropping out on the right margin of the Paulino Creek, Mendoza Province, Argentina.
Horizon: Vaca Muerta Formation.
Biostratigraphy: Lower part of the Argentiniceras noduliferum Andean Assemblage Zone.
Age: Lower Berriasian Stage, Early Neocomian Subepoch, Early Early Cretaceous Epoch, Early Early Cretaceous.
Material: Incomplete cranium from the nasals to the posterior-most region of the right supratemporal fenestra, with part of the mandible and teeth.
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Species: albersdoerferi SACHS, YOUNG, ABEL & MALLISON, 2021
Etymology: In honor of palaeontologist Raimund Albersdörfer for making teh specimen avaialbe to science.
Holotype: BMMS-BK 1-2
Locality: Rygol Quarry, Painten, Bavaria Sate, Germany.
Horizon: Arnstorf Member, Torleite Formation.
Biostratigraphy: Lithacoceras ulmense Subzone, Hybonoticeras beckeri Tethyian Ammonite Zone.
Age: Upper Kimmeridgian Stage, Malm Epoch, Late Jurassic.
Material: Skull and nearly complete skeleton.
Note: With skin impressions.