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Copemys
Taxonomy
Copemys was named by Wood (1936). It is not extant.
It was assigned to Peromyscini by Baskin (1978); and to Cricetidae by Wood (1936) and McKenna and Bell (1997).
It was assigned to Peromyscini by Baskin (1978); and to Cricetidae by Wood (1936) and McKenna and Bell (1997).
Synonyms
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Synonymy list
Year | Name and author |
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1936 | Copemys Wood |
1959 | Miochomys Hoffmeister |
1968 | Tregomys Wilson |
1978 | Copemys Baskin p. 131 |
1990 | Tregomys Voorhies |
1995 | Tregomys Sutton and Korth |
1997 | Copemys McKenna and Bell |
1997 | Miochomys McKenna and Bell |
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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. †Copemys Wood 1936
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†Copemys barstowensis Lindsay 1972
†Copemys esmeraldensis Clark et al. 1964
†Copemys lindsayi Sutton and Korth 1995
†Copemys loxodon Cope 1874
†Copemys pagei Shotwell 1967
†Copemys pisinnus Wilson 1968
†Copemys russelli James 1963
†Copemys shotwelli Wilson 1968
†Copemys tenuis Lindsay 1972
Invalid names: Miochomys Hoffmeister 1959 [synonym], Tregomys Wilson 1968 [synonym]
Diagnosis
Reference | Diagnosis | |
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A. E. Wood 1936 | Lower molars tending toward altenation of external and internal
cusps; central cusp apparently absent; posterior arm of protoconoid of m1 extended as crest to lingual margin of tooth; protoconoid free from metaconoid; no hypoconulid on m2, posterior cingulum arising from extemal border of hypoconid. | |
R. L. Wilson 1968 (Tregomys) | A small cricetid with low-cusped, simple molars; m1 with medial anteroconids and subequal anterior cingula; metaconid and protoconid nearly opposite with the posterior side of the latter sloping farther posteriad; m2 sqaurish and realtively large, wider than m1; second lower molar with heavy cingulum on the anterolabial side; masseteric crests low, terminating anteriad at the level of the laterally positioned mental foramen; jaw relatively thin, the depth below m1 greater than the total length of the lower molars; m1 length less than 1.2 mm in well worn specimens; m3 relatively large with greatest transverse width nearly equal to other lower molars; roots on the lower molars long. |
Measurements
No measurements are available
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Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
References: Carroll 1988, Ji et al. 2002, Nowak 1999, Hendy et al. 2009, Lillegraven 1979 |
Age range: base of the Early/Lower Barstovian to the top of the MN 15 or 16.30000 to 3.20000 Ma
Collections (110 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Miocene | Canada (Alberta) | C. sp. (18781) | |
Miocene | USA (California) | C. tenuis (19579) | |
Miocene | USA (Georgia) | C. sp. (18566) | |
Miocene | USA (Arizona) | C. sp. (19354) | |
Miocene | USA (Montana) | C. sp. (19000) | |
Miocene | USA (Florida) | C. sp. (18508) | |
Miocene | USA (Louisiana) | C. sp. (163789) | |
Hemingfordian | USA (California) | C. sp. (19139) | |
Hemingfordian - Barstovian | USA (California) | C. russelli (19201) | |
Barstovian | Canada (Saskatchewan) | C. kelloggae (18759) | |
Barstovian | USA (Louisiana) | C. sp. (18621 18632 18659 18666 164388) | |
Barstovian | USA (California) | C. barstowensis (19168) C. barstowensis, C. esmeraldensis, C. longidens, C. russelli (19279) C. barstowensis, C. longidens, C. pagei, C. russelli (19193) C. barstowensis, C. longidens, C. pagei, C. tenuis (19550) C. barstowensis, C. longidens, C. russelli (19522 19523) C. barstowensis, C. longidens, C. tenuis (19271 19416 214888) C. esmeraldensis, C. longidens (19167 19169) C. esmeraldensis, C. longidens, C. russelli (19280) C. longidens (19172 19284 19527 19559 19560) C. longidens, C. pagei, C. tenuis (19304) C. longidens, C. russelli (19281 19558) C. longidens, C. tenuis (19430) C. pagei (19173 19174 19557) C. pagei, C. tenuis (19343) C. russelli (19165 19171) C. sp. (19305 19321 19549 19585) C. tenuis (19184 19363) | |
Barstovian | USA (New Mexico) | C. loxodon (19535) | |
Barstovian | USA (Wyoming) | C. niobrariensis (18868) | |
Barstovian | USA (Oregon) | Peromyscus pagei (19017) Peromyscus sp., Peromyscus pagei (19011) | |
Barstovian | USA (South Dakota) | C. kelloggae (18397) C. sp. (18303) | |
Barstovian | USA (Texas) | C. sp. (18619) | |
Barstovian | USA (Nebraska) | C. kelloggae, Miochomys niobrariensis (18165) C. niobrariensis (18031 18090 18164 18206 18208 18261 18353 18442 18454) C. sp. (27481) Muridae indet., C. kelloggae (18284) Tregomys sp., C. niobrariensis (18027 18141 18240 18275) | |
Barstovian | USA (Nevada) | C. sp. (181731) Peromyscus longidens (19097) | |
Early/Lower Barstovian | USA (Florida) | C. sp. (18538 18549) | |
Early/Lower Barstovian | USA (California) | C. pagei, C. tenuis (19564) | |
Early/Lower Barstovian | USA (Texas) | C. sp. (18665) | |
Early/Lower Barstovian | USA (Montana) | C. lindsayi (18803) | |
Early/Lower Barstovian | USA (Nebraska) | C. lindsayi (17976) | |
early Late Barstovian | USA (Montana) | C. sp. (18848) | |
Barstovian - Clarendonian | USA (Nebraska) | C. niobrariensis (18235) | |
Barstovian - Early/Lower Clarendonian | USA (Kansas) | C. sp. (18187) | |
Middle Miocene - Tortonian | Pakistan (Minanwali) | C. sp. (13489) | |
Clarendonian | USA (Oregon) | Peromyscus esmeraldensis (18831) | |
Clarendonian | USA (Oklahoma) | Tregomys shotwelli (18463) | |
Clarendonian | USA (Kansas) | C. sp. (18186) C. sp., Tregomys shotwelli, C. pisinnus (18450) | |
Clarendonian | USA (Nevada) | C. esmeraldensis, C. loxodon (18888) | |
Clarendonian | USA (Nebraska) | C. sp. (18324 18452 188779) | |
Clarendonian | USA (California) | C. longidens, C. russelli (19383) Peromyscus russelli (19181 19361 19453) | |
Late/Upper Clarendonian | USA (Nebraska) | C. sp., C. pisinnus (18066) C. sp., Tregomys shotwelli, C. pisinnus (18327) | |
Hemphillian | USA (Oregon) | Peromyscus esmeraldensis (18807 18944 18970) | |
Hemphillian | USA (Idaho) | C. sp. (19085) | |
Hemphillian | USA (Washington) | C. sp. (232055) | |
Hemphillian | USA (California) | C. esmeraldensis (19309) C. sp. (19569) | |
Hemphillian | USA (Nebraska) | C. sp. (18086) | |
Late/Upper Hemphillian | USA (Arizona) | C. sp. (19610) | |
Hemphillian - Blancan | USA (Nevada) | C. sp. (19966) | |
Pliocene | USA (Louisiana) | C. sp. (163741) | |
Blancan | USA (California) | C. sp. (19715) | |
MN 15 | Poland | C. sp. (33396) |