PBDB Taxon

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

Ictidorhinida

Taxonomy

Ictidorhinida was named by Ivakhnenko (2003). It is not extant.

It was assigned to Gorgonopsia by Ivakhnenko (2003).

Subtaxa

Ictidorhinidae

Synonymy list

Year	Name and author
2003	Ictidorhinida Ivakhnenko

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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	()

Rank	Name	Author
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
subclass	Synapsida
—	Therapsida	()
suborder	Gorgonopsia
infraorder	Ictidorhinida
infraorder	Ictidorhinida

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.

Infraor. †Ictidorhinida Ivakhnenko 2003

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Fm. †Ictidorhinidae Broom 1932

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G. †Biarmosuchoides Tverdokhlebova and Ivakhnenko 1994

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†Biarmosuchoides romanovi Tverdokhlebova and Ivakhnenko 1994

G. †Pseudhipposaurus Boonstra 1952

G. †Ustia Ivakhnenko 2003

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†Ustia atra Ivakhnenko 2003

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialuc

Locomotion:

actively mobilec

Diet:

carnivoresubo

Created:

2009-01-03 20:34:07

Modified:

2009-01-03 22:34:07

Source: subo = suborder, c = class, subp = subphylum, uc = unranked clade

References: Carroll 1988, Benton 1983, Hendy et al. 2009

Age range: base of the Urzhumian to the top of the Late/Upper Severodvinian or 266.90000 to 259.51000 Ma

Collections (2 total)

Time interval	Ma	Country or state	Original ID and collection number
Urzhumian	266.9 - 264.28	Russian Federation (Orenburg)	Biarmosuchoides romanovi (176305)
Late/Upper Severodvinian	264.28 - 259.51	Russian Federation (Vologda)	Ustia atra (187752)