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: macrospondylus (KOKEN, 1889) YOUNG & de ANDRADE, 2009
= Enaliosuchus macrospondylus KOKEN, 1889
Etymology:
'Ring lizard with large vertebrae'.
Holotype: HMN R3636.1-6
Locality: Hills near Osterwald (Osterwaldes), Lower Saxony State, Northern Germany.
Horizon:
Biostratigraphy: campylotoxus-furicllata ammonte zone.
Age: Lower-Upper Valanginian Stage, Neocomian Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.
Material: Vertebrae, ribs, bones from the extremities and a tooth.
Referred material:
HUA, VIGNAUD, ANTROPS & CLEMENT, 2000
Locality: North-east from the village of Sisteron, Near Barret-le-Bas, Hautes-Alpes Department, Southeastern France.
Horizon:
Biostratigraphy: campylotoxus zone.
Age: Lower Valanginian Stage, Middle Neocomian Subepoch, Lower Early Cretaceous Epoch.
Material:
Reserve Naturelle Geologique de Haute Province, Digne les Bains, n. 990201: Nearly complete skull and fragmentary skeleton.
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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: schroderi (KUHN, 1936) YOUNG & ANDRADE, 2009
= Enaliosuchus schroderi KUHN,
1936
Etymology: 'Schroder's ring lizard'.
Holotype: MMGLV unnumbered.
Locality: Sachsenhagen, Lower Saxony State, northern Germany.
Horizon:
Biostratigraphy: 'Platylenticeras beds'.
Age: Lower Valanginian Stage, Middle Neocomian Subepoch, Lower Early Cretaceous Epoch.
Material: Imperfect skull, lower jaw, atlas, axis, 3rd cervical vertebra.
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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: saltillense (BUCHY, VIGNAUD,
FREY,
STINNESBECK, GONZALEZ, 2006) YOUNG & de ANDRADE, 2009
= Geosaurus saltillense BUCHY, VIGNAUD,
FREY, STINNESBECK, GONZALEZ, 2006
Etymology: In reference to the county of Saltillo, Coahuila
State, Mexico, upon which the village of
Gomez Farias depends, 'Ringlizard from the county of Saltillo'.
= Geosaurus sp BUCHY, VIGNAUD, FREY, STINNESBECK & GONZALEZ GONZALEZ, 2005
Holotype: CEP1823, MUDE
Locality: Sierra de Bunuelas, near Gomez Farias, Saltillo County, Coahuila State, Mexico.
Horizon: La Caja Formation.
Biostratigraphy:
Age: Early Tithonian Stage, Upper Malm Epoch, Late Jurassic.
Material: Partial cranium; the frontal, intertemporal bar, occipital face
and quadrates, and caudal-most portions of both supratemporal bars are preserved
in articulation while both partial palatines and (?) right nasopharyngeal canal
are disarticulated, both poorly preserved manidibular rami, articulated atlas,
axis and cervical vertebrae 3 to 5.
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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.