PBDB Taxon

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

Sikuomys

Mammalia - Gypsonictopidae

Taxonomy

Sikuomys was named by Eberle et al. (2023). Its type is Sikuomys mikros.

It was assigned to Gypsonictopidae by Eberle et al. (2023).

Species

S. mikros (type species)

Synonymy list

Year	Name and author
2023	Sikuomys Eberle 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	()

Rank	Name	Author
—	Amniota
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
superorder	Leptictida
family	Gypsonictopidae	Van Valen 1967
genus	Sikuomys

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. †Sikuomys Eberle et al. 2023

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†Sikuomys mikros Eberle et al. 2023

Diagnosis

Reference	Diagnosis
J. J. Eberle et al. 2023	As for the type species.

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialsubc

Locomotion:

actively mobilec

Life habit:

ground dwellingf

Diet:

insectivoresubc

Reproduction:

viviparoussubc

Created:

2005-09-07 13:39:20

Modified:

2005-09-07 15:39:20

Source: f = family, subc = subclass, c = class, subp = subphylum

References: Kielan-Jaworowska et al. 2004, Hendy et al. 2009, Ji et al. 2002, Carroll 1988, Lillegraven 1979

Age range: Early/Lower Maastrichtian or 72.20000 to 66.00000 Ma

Collections (3 total)

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Maastrichtian	72.2 - 66.0	USA (Alaska)	Gypsonictops sp. (14495) S. mikros (231243 231244)