PBDB Taxon

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Chriacus

Mammalia - Procreodi - Arctocyonidae

Taxonomy

Chriacus was named by Cope (1883). It is not extant. Its type is Lipodectes pelvidens.

It was assigned to Oxyclaenidae by Scott (1892), Hay (1902) and Hay (1930); to Chriacidae by Scott et al. (2013); and to Arctocyonidae by Cope (1883), Gazin (1969), McKenna and Bell (1997), Archibald (1998), Tabuce et al. (2011), Rose et al. (2012) and Halliday et al. (2017).

Species

C. badgleyi, C. baldwini (syn. Metachriacus provocator, Tricentes crassicollidens, Spanoxyodon latrunculus, Oxyclaenus pearcei, C. schlosserianus), C. calenancus, C. gallinae, C. katrinae, C. metocometi, C. oconostotae, C. pelvidens (syn. C. stenops), C. punitor (syn. C. pusillus), C. truncatus, Tricentes subtrigonus (syn. Mioclaenus bucculentus, Tricentes latidens, Tricentes elassus)

Synonyms

Spanoxyodon was named by Simpson (1935). Its type is Spanoxyodon latrunculus.

It was synonymized subjectively with Chriacus by Van Valen (1978), Winterfeld (1982), Archibald et al. (1987), Williamson and Lucas (1993) and Williamson (1996).

It was assigned to Arctocyonidae by Simpson (1935) and McKenna and Bell (1997).
Metachriacus was named by Simpson (1935).

It was synonymized subjectively with Tricentes by Van Valen and Sloan (1965); it was synonymized subjectively with Chriacus by Van Valen (1978), Winterfeld (1982), Hartman (1986), Archibald et al. (1987), Williamson and Lucas (1993) and Williamson (1996).
Tricentes was named by Cope (1884). Its type is Tricentes crassicollidens.

It was synonymized subjectively with Chriacus by Van Valen (1978), Winterfeld (1982), Archibald et al. (1987), Williamson and Lucas (1993) and Williamson (1996).

It was assigned to Mixodectidae by Cope (1884); to Oxyclaenidae by Scott (1892), Hay (1902) and Hay (1930); and to Arctocyonidae by Gazin (1969).

Synonymy list

Year	Name and author
1883	Chriacus Cope
1884	Tricentes Cope p. 315
1892	Chriacus Scott p. 295
1892	Tricentes Scott p. 297
1902	Chriacus Hay p. 744
1902	Tricentes Hay p. 746
1930	Chriacus Hay p. 461
1930	Tricentes Hay p. 462
1935	Metachriacus Simpson
1935	Spanoxyodon Simpson
1965	Tricentes Van Valen and Sloan
1969	Chriacus Gazin p. 7
1969	Tricentes Gazin p. 8
1990	Metachriacus Fox
1997	Chriacus McKenna and Bell
1997	Spanoxyodon McKenna and Bell
1998	Chriacus Archibald
2011	Chriacus Tabuce et al. p. 152
2012	Chriacus Rose et al.
2013	Chriacus Scott et al.
2017	Chriacus Halliday et al. p. 525

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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
—	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	Chriacus	Cope 1883

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. †Chriacus Cope 1883

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†Chriacus badgleyi Gingerich 1989

†Chriacus baldwini Cope 1882

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Invalid names: Chriacus schlosserianus Cope 1888 [synonym], Metachriacus provocator Simpson 1935 [synonym], Oxyclaenus pearcei Gazin 1941 [synonym], Spanoxyodon latrunculus Simpson 1935 [synonym], Tricentes crassicollidens Cope 1884 [synonym]

†Chriacus calenancus Van Valen 1978

†Chriacus gallinae Matthew and Granger 1915

†Chriacus katrinae Van Valen 1978

†Chriacus metocometi Van Valen 1978

†Chriacus oconostotae Van Valen 1978

†Chriacus pelvidens Cope 1881

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Invalid names: Chriacus stenops Cope 1888 [synonym]

†Chriacus punitor Simpson 1935

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Invalid names: Chriacus pusillus Simpson 1935 [synonym]

†Chriacus truncatus Cope 1884

Invalid names: Metachriacus Simpson 1935 [synonym], Spanoxyodon Simpson 1935 [synonym], Tricentes Cope 1884 [synonym]

Diagnosis

No diagnoses are available