PBDB Taxon

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

Tricentes subtrigonus

Mammalia - Procreodi - Arctocyonidae

Taxonomy

Mioclaenus subtrigonus was named by Cope (1881).

It was recombined as Tricentes subtrigonus by Cope (1884), Scott (1892), Matthew (1897), Hay (1902), Hay (1930), Matthew (1937) and Gazin (1969); it was recombined as Mimotricentes subtrigonus by Van Valen and Sloan (1965), Rigby (1980) and Burger (2007).

Synonyms

Mioclaenus bucculentus was named by Cope (1883) [sometimes said to be 1881].

It was recombined as Tricentes bucculentus by Cope (1884) and Scott (1892); it was synonymized subjectively with Tricentes subtrigonus by Matthew (1897), Hay (1902) and Matthew (1937); it was synonymized subjectively with Mimotricentes subtrigonus by Rigby (1980).
Tricentes elassus was named by Gazin (1941). Its type specimen is USNM 16178 and is a 3D body fossil. Its type locality is Dragon Canyon, which is in a Torrejonian terrestrial horizon in the North Horn Formation of Utah.

It was recombined as Mimotricentes elassus by Van Valen and Sloan (1965) and Robison (1986); it was synonymized subjectively with Mimotricentes subtrigonus by Williamson (1996).
Tricentes latidens was named by Gidley (1935) [in Simpson]. It is a 3D body fossil. Its type locality is Gidley Quarry, which is in a Torrejonian terrestrial horizon in the Fort Union Formation of Montana. It is the type species of Mimotricentes.

It was recombined as Mimotricentes latidens by Simpson (1937) and Rose (1981); it was synonymized subjectively with Mimotricentes subtrigonus by Van Valen (1978), Hartman (1986) and Williamson (1996).

Synonymy list

Year	Name and author
1881	Mioclaenus subtrigonus Cope p. 491
1883	Mioclaenus bucculentus Cope p. 555
1884	Tricentes bucculentus Cope p. 315
1884	Tricentes subtrigonus Cope p. 315
1892	Tricentes subtrigonus Scott
1892	Tricentes bucculentus Scott p. 297
1897	Tricentes subtrigonus Matthew pp. 270 - 271
1902	Tricentes subtrigonus Hay p. 746
1930	Tricentes subtrigonus Hay p. 462
1935	Tricentes latidens Gidley
1937	Tricentes subtrigonus Matthew
1937	Mimotricentes latidens Simpson
1941	Tricentes elassus Gazin pp. 22 - 23 figs. Figure 143
1965	Mimotricentes elassus Van Valen and Sloan
1965	Mimotricentes subtrigonus Van Valen and Sloan
1969	Tricentes subtrigonus Gazin p. 8
1980	Mimotricentes subtrigonus Rigby, Jr.
1981	Mimotricentes latidens Rose
1986	Mimotricentes elassus Robison
2007	Mimotricentes subtrigonus Burger p. 147

Is something missing? Join the Paleobiology Database and enter the data

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
—	Theriamorpha	(Rowe 1993)
—	Theriiformes	()
—	Trechnotheria
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Boreoeutheria
—	Laurasiatheria
—	Scrotifera
—	Euungulata
order	Procreodi	Matthew 1915
family	Arctocyonidae	Murray 1866
genus	Tricentes	Cope 1883
species	subtrigonus	()

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.

†Tricentes subtrigonus Cope 1881

show all | hide all

Invalid names: Mioclaenus bucculentus Cope 1883 [synonym], Tricentes elassus Gazin 1941 [synonym], Tricentes latidens Gidley 1935 [synonym]

Diagnosis

No diagnoses are available