PBDB Taxon

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Pseudotomus

Mammalia - Rodentia - Ischyromyidae

Taxonomy

Pseudotomus was named by Cope (1872).

It was synonymized subjectively with Plesiarctomys by Cope (1881); it was synonymized subjectively with Paramys by Roger (1896) and Hay (1902); it was reranked as Paramys (Pseudotomus) by Matthew (1910).

It was assigned to Paramys by Matthew (1910); to Manitshinae by Wood (1962); to Ischyromyidae by Cope (1872), Wilson (1940) and McKenna and Bell (1997); and to Manitshini by Korth (1985) and Dunn and Rasmussen (2007).

Species

P. californicus, P. eugenei, P. hians (syn. Paramys superbus), P. horribilis, P. johanniculi, P. littoralis, P. petersoni, P. robustus (syn. Ischyrotomus oweni), P. timmys

Synonyms

Paramys (Ischyrotomus) was named by Matthew (1910). It is not extant.

It was reranked as Ischyrotomus by Peterson (1919), Matthew and Gidley (1919) and McKenna and Bell (1997); it was synonymized subjectively with Pseudotomus by Korth (1985) and Dunn and Rasmussen (2007).

It was assigned to Paramys by Matthew (1910); to Paramyidae by Peterson (1919); and to Ischyromyidae by Matthew and Gidley (1919) and McKenna and Bell (1997).

Synonymy list

Year	Name and author
1872	Pseudotomus Cope
1910	Paramys (Ischyrotomus) Matthew
1910	Paramys (Pseudotomus) Matthew
1919	Ischyrotomus Matthew and Gidley
1919	Ischyrotomus Peterson p. 63
1940	Pseudotomus Wilson
1962	Pseudotomus Wood
1985	Pseudotomus Korth
1997	Ischyrotomus McKenna and Bell
1997	Pseudotomus McKenna and Bell
2007	Pseudotomus Dunn and Rasmussen p. 988

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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	()
—	Mammaliamorpha

Rank	Name	Author
—	Mammaliaformes
class	Mammalia
—	Theriamorpha	(Rowe 1993)
—	Theriiformes	()
—	Trechnotheria
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Boreoeutheria
—	Euarchontoglires	Murphy et al. 2001
—	Gliriformes	Wyss and Meng 1996
—	Glires	()
—	Simplicidentata	()
order	Rodentia	Bowdich 1821
family	Ischyromyidae	Alston 1876
subfamily	Paramyinae	Simpson 1945
tribe	Manitshini	Simpson
genus	Pseudotomus

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. †Pseudotomus Cope 1872

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†Pseudotomus californicus Wilson 1940

†Pseudotomus eugenei Burke 1935

†Pseudotomus hians Cope 1872

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Invalid names: Paramys superbus Osborn et al. 1878 [synonym]

†Pseudotomus horribilis Wood 1962

†Pseudotomus johanniculi Wood 1974

†Pseudotomus littoralis Wilson 1949

†Pseudotomus petersoni Matthew 1910

†Pseudotomus robustus Marsh 1872

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Invalid names: Ischyrotomus oweni Wood 1962 [synonym]

†Pseudotomus timmys Storer 1988

Invalid names: Ischyrotomus Matthew 1910 [synonym]

Diagnosis

No diagnoses are available