Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Citellus primitivus was named by Bryant (1945). Its type specimen is CM 746, a mandible (A right mandibular ramus with a broken incisor, worn cheek teeth, and the basal portion of the vertical ramus), and it is a 3D body fossil.
It was recombined as Otospermophilus primitivus by Barnosky (1986); it was recombined as Spermophilus primitivus by Bryant (1945), Hemming (1956), Shotwell (1968), Wilson and Reeder (1993) and Korth (1994).
It was recombined as Otospermophilus primitivus by Barnosky (1986); it was recombined as Spermophilus primitivus by Bryant (1945), Hemming (1956), Shotwell (1968), Wilson and Reeder (1993) and Korth (1994).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1945 | Citellus primitivus Bryant |
1945 | Spermophilus primitivus Bryant |
1945 | Citellus primitivus Bryant p. 352 figs. P1. 7, Fig. e |
1956 | Spermophilus primitivus Hemming |
1963 | Citellus primitivus Black |
1968 | Spermophilus primitivus Shotwell |
1986 | Otospermophilus primitivus Barnosky |
1993 | Spermophilus primitivus Wilson and Reeder |
1994 | Spermophilus primitivus Korth |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
†Spermophilus primitivus Bryant 1945
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|||||
|
|
||||
Source: g = genus, f = family, subc = subclass, c = class, subp = subphylum | |||||
References: Ji et al. 2002, Nowak 1991, Lillegraven 1979, Carroll 1988, Fernández et al. 2000, Hendy et al. 2009 |
Age range: Barstovian or 15.97000 to 13.60000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Barstovian | USA (Wyoming) | Spermophilus primitivus (18990) | |
Barstovian | USA (Montana) | Citellus primitivus (18894) |