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Laosuchus hun

Discussion

A chroniosuchian characterized by: preorbital fenestra absent; well-developed transverse flange of the pterygoid that contacts the maxilla; internal crest on and above the dorsal side of the palate (vomer, ectopterygoid and pterygoid); shallow otic notch formed by the tabular horn and the posterior part of the squamosal; thin and high ventromedial ridge on parasphenoid; surangular dorsal surface forming a fossa for the insertion of external adductors; maxilla and quadratojugal separated by jugal; jugal with ventral (alary) process bordering subtemporal fenestra (last two features also present in some reptiliomorphs).

Taxonomy
Laosuchus hun was named by Liu and Chen (2021). Its type specimen is IVPP V 23876, a partial skeleton, and it is a 3D body fossil.

Synonymy list
YearName and author
2021Laosuchus hun Liu and Chen

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
RankNameAuthor
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
suborderChroniosuchiaTatarinov 1972
genusLaosuchus
specieshun

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.

Laosuchus hun Liu and Chen 2021
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: brackish, freshwater, terrestrialuc
Locomotion: actively mobilec
Created: 2017-04-17 15:15:19
Modified: 2017-04-17 15:15:19
Source: c = class, subp = subphylum, uc = unranked clade
References: Carroll 1988, Hendy et al. 2009

Age range: Changhsingian or 254.17000 to 252.17000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Changhsingian254.17 - 252.17China (Nei Mongol) Laosuchus hun (217808)