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Cricosaurus bambergensis

Reptilia - Metriorhynchidae

Taxonomy
Cricosaurus bambergensis was named by Sachs et al. (2019) [A member of Cricosaurus with the following unique combination of characters (proposed autapomorphic characters are indicated by an asterisk): bicarinate dentition, lacking conspicuous enamel ornamentation; tooth crowns in the premaxilla, maxilla and dentary show distinct labiolingual compression (shared with C. suevicus and C. elegans); the maxillary tooth row continues posteriorly past the anterior margin of the orbit (thalattosuchian symplesiomorphy); presence of pronounced reception pits for dentary tooth crowns on the lateral margins of the anterior and mid-portions of the maxilla; palatines have a distinct midline ridge with paired depressions on either side*; morphology of the tail displacement unit: the distal-most three preflexural vertebrae have neural spines that are oriented very strongly posteriorly, their posterior margin lies on top of the prezygapophyses of the adjacent vertebra; these neural spines appear almost rod-like in lateral view; the three vertebrae anterior to them have a similar morphology, but the neural spines look more like a “regular” neural spine, albeit strongly oriented posteriorly. Cricosaurus bambergensis retains the following four metriorhynchid tail fluke symplesiomorphies (unlike C. suevicus): (i) the distal-most preflexural caudal vertebra has a rod-like hemapophysis; (ii) the proximal-most five or six flexural vertebrae have anteriorly oriented neural spines, but not strongly oriented anteriorly; (iii) the flexural hemapophyses contact one another along their anterior–posterior margins; and (iv) the distal-most postflexural hemapophysis return to a rod-like morphology.]. Its type specimen is NKMB-P-Watt14/274, a skeleton (almost complete skeleton), and it is a 3D body fossil. Its type locality is Kalk- und Dolomitbruch der Andreas Schorr GmbH, which is in a Kimmeridgian lagoonal/restricted shallow subtidal carbonate in the Torleite Formation of Germany.

Synonymy list
YearName and author
2019Cricosaurus bambergensis Sachs et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
RankNameAuthor
Diapsida()
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
Pseudosuchia(Zittel 1890)
SuchiaKrebs 1974
Paracrocodylomorpha
Loricata(Merrem 1820)
Crocodylomorpha()
infraorderThalattosuchia()
Neothalattosuchia
superfamilyMetriorhynchoideaYoung et al. 2010
Euthalattosuchia
familyMetriorhynchidaeFitzinger 1843
subfamilyMetriorhynchinae
tribeRhacheosauriniYoung et al. 2011
genusCricosaurusWagner 1858
speciesbambergensis

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Cricosaurus bambergensis Sachs et al. 2019
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatitesubo
Environment: marinesubo
Locomotion: actively mobilesubo
Life habit: nektonicsubo
Diet: carnivoresubo
Created: 2009-07-23 01:12:29
Modified: 2009-07-23 03:12:29
Source: subo = suborder
Reference: Kiessling 2004

Age range: Kimmeridgian or 157.30000 to 152.10000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Kimmeridgian157.3 - 152.1Germany (Bavaria) Cricosaurus bambergensis (type locality: 207479)