PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Hypsognathus

Reptilia - Procolophonidae

Taxonomy

Hypsognathus was named by Gilmore (1928). It is not extant. Its type is Hypsognathus fenneri.

It was assigned to Cotylosauria by Gilmore (1928), Hay (1930); to Procolophoninae by Colbert (1946); to Procolophonidae by Carroll (1988); and to Leptopleuroninae by Sues et al. (2000), Modesto et al. (2002), Modesto and Damiani (2007), Säilä (2008), Skinner et al. (2020).

Species

H. fenneri (type species)

Synonymy list

Year	Name and author
1928	Hypsognathus Gilmore p. 2
1930	Hypsognathus Hay p. 45
1946	Hypsognathus Colbert p. 259
1988	Hypsognathus Carroll
2000	Hypsognathus Sues et al. p. 277
2002	Hypsognathus Modesto et al. p. 891 fig. 4
2007	Hypsognathus Modesto and Damiani p. 347 fig. 8
2008	Hypsognathus Säilä p. 1202 fig. 4
2020	Hypsognathus Skinner et al.

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda

Rank	Name	Author
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
—	Sauropsida
class	Reptilia
subclass	Parareptilia	Lawrence 1868
superfamily	Procolophonoidea
family	Procolophonidae
subfamily	Leptopleuroninae	Ivakhnenko 1979
genus	Hypsognathus

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.

G. †Hypsognathus Gilmore 1928

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†Hypsognathus fenneri Gilmore 1928

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: Carroll 1988, Hendy et al. 2009

Age range: base of the Carnian to the top of the Rhaetian or 237.00000 to 201.40000 Ma

Collections (7 total)

Time interval	Ma	Country or state	Original ID and collection number
Carnian	237.0 - 227.3	Canada (Nova Scotia)	H. sp. (107286)
Norian	227.3 - 205.7	Canada (Nova Scotia)	H. sp. (89142)
Norian - Rhaetian	227.3 - 201.4	USA (New Jersey)	H. fenneri (80143 89137 92107)
Rhaetian	205.7 - 201.4	USA (Connecticut)	H. fenneri (89140)
Rhaetian	205.7 - 201.4	United Kingdom (Wales)	H. sp. (46077)