| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Spermophilus shotwelli
Taxonomy
Citellus shotwelli was named by Black (1963).
It was recombined as Otospermophilus shotwelli by Barnosky (1986); it was recombined as Spermophilus shotwelli by Shotwell (1968), Wilson and Reeder (1993), Korth (1994).
It was recombined as Otospermophilus shotwelli by Barnosky (1986); it was recombined as Spermophilus shotwelli by Shotwell (1968), Wilson and Reeder (1993), Korth (1994).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1963 | Citellus shotwelli Black |
| 1968 | Spermophilus shotwelli Shotwell |
| 1986 | Otospermophilus shotwelli Barnosky |
| 1993 | Spermophilus shotwelli Wilson and Reeder |
| 1994 | Spermophilus shotwelli 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 shotwelli Black 1963
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: Nowak 1991, Fernández et al. 2000, Ji et al. 2002, Lillegraven 1979, Hendy et al. 2009, Carroll 1988 | |||||
Age range: base of the Hemphillian to the top of the Miocene or 9.40000 to 5.33300 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Miocene | Mexico (Chihuahua) | Spermophilus shotwelli (18714) | |
| Hemphillian | USA (Oregon) | Citellus shotwelli (18939 19116) | |
| Late/Upper Hemphillian | USA (Nebraska) | Spermophilus shotwelli (18126 18359) |