PBDB Taxon

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

Paciculus nebraskensis

Mammalia - Rodentia - Cricetidae

Taxonomy

Paciculus nebraskensis was named by Alker (1969). Its type specimen is USNM 66166, a partial skeleton, and it is a 3D body fossil. Its type locality is Redington Gap West (Basal Siltstone), which is in an Arikareean terrestrial horizon in the Brule Formation of Nebraska.

Synonymy list

Year	Name and author
1969	Paciculus nebraskensis Alker p. 174 figs. 1B, 1E

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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	()

Rank	Name	Author
infraorder	Cynodontia	()
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	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	Cricetidae	Fischer von Waldheim 1817
genus	Paciculus
species	nebraskensis

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.

†Paciculus nebraskensis Alker 1969

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Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialsubc

Locomotion:

actively mobilec

Life habit:

ground dwellingo

Diet:

herbivoreo

Reproduction:

viviparoussubc

Created:

2005-08-26 14:04:46

Modified:

2005-08-26 16:04:46

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

References: Lillegraven 1979, Carroll 1988, Hendy et al. 2009, Nowak 1999, Ji et al. 2002

Age range: base of the Whitneyan to the top of the Harrisonian or 33.30000 to 18.50000 Ma

Collections (7 total)

Time interval	Ma	Country or state	Original ID and collection number
Whitneyan	33.3 - 30.8	USA (South Dakota)	Paciculus nebraskensis (170168)
Arikareean	29.5 - 18.5	USA (Nebraska)	Paciculus nebraskensis (type locality: 17598)
Monroecreekian	26.3 - 24.8	USA (Nebraska)	Paciculus nebraskensis (67637)
Monroecreekian	26.3 - 24.8	Canada (Saskatchewan)	Paciculus nebraskensis (17526)
Harrisonian	24.8 - 18.5	USA (Nebraska)	Paciculus nebraskensis (17802 17816 69807)