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Stereognathus

- Tritylodontidae

Synonyms
Synonymy list
YearName and author
1854Stereognathus Charlesworth
1871Stereognathus Owen pp. 18, 115
1889Stereognathus Marsh
1928Stereognathus Simpson p. 22
1929Stereognathus Simpson p. 11
1972Stereognathus Waldman and Savage
1988Stereognathus Carroll
1999Xenocretosuchus Tatarinov and Matchenko
2004Stereognathus Maisch et al.
2008Xenocretosuchus Tatarinov
2009Xenocretosuchus Kolosov et al.
2017Stereognathus Panciroli et al. p. 4

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
RankNameAuthor
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Synapsida()
Therapsida()
infraorderCynodontia()
familyTritylodontidaeCope 1884
genusStereognathusCharlesworth 1854

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.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialuc
Locomotion: actively mobilec
Created: 2017-04-17 15:15:35
Modified: 2017-04-17 15:15:35
Source: c = class, subp = subphylum, uc = unranked clade
References: Kiessling 2004, Carroll 1988, Hendy et al. 2009

Age range: base of the Early/Lower Bathonian to the top of the Aptian or 167.70000 to 113.00000 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Bathonian168.3 - 166.1Russian Federation (Krasnoyarsk) Tritylodontidae indet. (61891)
Early/Lower Bathonian167.7 - 164.7United Kingdom (England) S. sp. (31054)
Late/Upper Bathonian167.7 - 164.7United Kingdom (England) S. sp. (39075 57124 57125 57139 166423)
Middle Bathonian167.7 - 164.7United Kingdom (Scotland) S. hebridicus (139746)
Middle Bathonian167.7 - 164.7United Kingdom (England) S. ooliticus (59357) S. sp. (92055)
Berriasian - Barremian145.0 - 125.0Russian Federation (Sakha) Xenocretosuchus kolossovi (32313)
Hauterivian - Barremian132.9 - 125.0Russian Federation (Krasnoyarsk) Xenocretosuchus sp. (53148)
Barremian - Aptian129.4 - 113.0Russian Federation (Kemerovo) Xenocretosuchus sibiricus (39680)
Aptian - Albian125.0 - 100.5Russian Federation (Kemerovo) Xenocretosuchus sp. (167304)