PBDB Taxon

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

Paramys

Mammalia - Rodentia - Ischyromyidae

Taxonomy

Paramys was named by Leidy (1871) [also said to be 1851]. It is not extant.

It was assigned to Sciuridae by Leidy (1873); to Ischyromyidae by Leidy (1871), Hay (1902), Peterson (1919) and McKenna and Bell (1997); and to Paramyidae by Rose et al. (2012).

Species

P. adamus, P. compressidens, P. copei (syn. P. major, P. quadratus, P. primaevus, P. bicuspis), P. delicatior, P. delicatus, P. dispar, P. excavatus (syn. Franimys lysitensis), P. hunti, P. leptodus (syn. P. grangeri), P. nini, P. obailensis, P. pourcyensis, P. pycnus, P. savagei, P. simpsoni, P. taurus, P. wyomingensis (syn. Reithroparamys matthewi)

Species lacking formal opinion data

P. woodi

Synonymy list

Year	Name and author
1871	Paramys Leidy
1873	Paramys Leidy p. 335
1902	Paramys Hay p. 723
1919	Paramys Peterson p. 60
1997	Paramys McKenna and Bell
2012	Paramys Rose et al.

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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
—	Euarchontoglires	Murphy et al. 2001
—	Gliriformes	Wyss and Meng 1996
—	Glires	()
—	Simplicidentata	()
order	Rodentia	Bowdich 1821
family	Ischyromyidae	Alston 1876
genus	Paramys	Leidy 1871

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. †Paramys Leidy 1871

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†Paramys adamus Dawson and Beard 1996

†Paramys compressidens Peterson 1919

†Paramys copei Loomis 1907

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Invalid names: Paramys bicuspis Loomis 1907 [synonym], Paramys major Loomis 1907 [synonym], Paramys primaevus Loomis 1907 [synonym], Paramys quadratus Loomis 1907 [synonym]

†Paramys delicatior Leidy 1871

†Paramys delicatus Leidy 1871

†Paramys dispar Beard and Dawson 2009

†Paramys excavatus Loomis 1907

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Invalid names: Franimys lysitensis Guthrie 1967 [synonym]

†Paramys hunti Dawson 2001

†Paramys leptodus Cope 1873

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Invalid names: Paramys grangeri Matthew 1910 [synonym]

†Paramys nini Wood 1962

†Paramys obailensis Shevyreva 1984