PBDB Taxon

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

Antiacodon venustus

Mammalia - Homacodontidae

Taxonomy

Antiacodon venustus was named by Marsh (1872) [genotype]. Its type specimen is YPM 11765, a tooth (m3), and it is a 3D body fossil. Its type locality is Henry's Fork Hill (Bridger D), which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.

It was synonymized subjectively with Antiacodon pygmaeus by Cope (1873), Gazin (1958).

Synonymy list

Year	Name and author
1872	Antiacodon venustus Marsh p. 210
1902	Antiacodon venustus Hay p. 787
1976	Antiacodon venustus Gazin
1984	Antiacodon venustus West
1998	Antiacodon venustus Stucky
2000	Antiacodon venustus Walsh
2007	Antiacodon venustus Theodor et al. p. 52
2018	Antiacodon venustus Dawson and Constenius p. 55

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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
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()

Rank	Name	Author
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Boreoeutheria
—	Laurasiatheria
—	Scrotifera
—	Euungulata
—	Artiodactylamorpha
—	Artiodactyla	()
superfamily	Dichobunoidea	Gill 1872
family	Homacodontidae	Marsh 1849
genus	Antiacodon
species	venustus

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.

†Antiacodon venustus Marsh 1872

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Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialo

Locomotion:

actively mobilec

Life habit:

ground dwellingo

Diet:

grazero

Diet 2:

browsero

Reproduction:

viviparoussubc

Created:

2005-08-26 14:03:05

Modified:

2005-09-19 12:23:23

Source: o = order, subc = subclass, c = class, subp = subphylum

References: Lillegraven 1979, Nowak 1999, Carroll 1988, Hendy et al. 2009

Age range: base of the Bridgerian to the top of the Uintan or 50.30000 to 39.70000 Ma

Collections (9 total)

Time interval	Ma	Country or state	Original ID and collection number
Bridgerian	50.3 - 46.2	USA (Wyoming)	Antiacodon venustus (16219 type locality: 16236)
Early/Lower Uintan	46.2 - 39.7	USA (California)	Antiacodon venustus (16727 16740 16744 16756) Diacodexinae indet. (16666) Dichobunidae indet. (16676)
Uintan	46.2 - 39.7	USA (Montana)	Antiacodon venustus (222915)