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Trogosus
Taxonomy
Trogosus was named by Leidy (1871). It is not extant. Its type is Trogosus castoridens. It was considered paraphyletic by Miyata (2007).
It was synonymized subjectively with Anchippodus by Leidy (1873) and Hay (1902).
It was assigned to Esthonychidae by Leidy (1871) and Carroll (1988); to Tillodontia by Wang and Jin (2004); and to Trogosinae by Gazin (1953), Lucas and Schoch (1998) and Miyata (2007).
It was synonymized subjectively with Anchippodus by Leidy (1873) and Hay (1902).
It was assigned to Esthonychidae by Leidy (1871) and Carroll (1988); to Tillodontia by Wang and Jin (2004); and to Trogosinae by Gazin (1953), Lucas and Schoch (1998) and Miyata (2007).
Species
Synonyms
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Synonymy list
Year | Name and author |
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1871 | Trogosus Leidy |
1873 | Tillotherium Marsh p. 485 |
1882 | Tillotherium Cope |
1902 | Tillotherium Hay p. 716 |
1953 | Trogosus Gazin p. 35 |
1988 | Trogosus Carroll |
1998 | Trogosus Lucas and Schoch p. 271 |
2004 | Trogosus Wang and Jin |
2007 | Trogosus Miyata p. 662 |
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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. †Trogosus Leidy 1871
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†Trogosus castoridens Leidy 1871
†Trogosus gazini Miyata 2007
†Trogosus grangeri Gazin 1953
†Trogosus hillsii Gazin 1953
†Trogosus hyracoides Marsh 1873
†Trogosus latidens Marsh 1874
†Trogosus shantunensis Chow 1963
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Invalid names: Kuanchuanius danjiangensis Cheng and Ma 1990 [synonym]
Invalid names: Tillotherium Marsh 1873 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
References: Hendy et al. 2009, Carroll 1988, Ji et al. 2002, Lillegraven 1979, Lucas and Schoch 1998 |
Age range: base of the Wasatchian to the top of the Bridgerian or 55.80000 to 46.20000 Ma
Collections (41 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Wasatchian | USA (Wyoming) | Stylinodontinae indet. (15839) | |
Early/Lower Eocene | Canada (British Columbia) | T. sp., T. latidens (186954) | |
Early/Lower Eocene | Japan | T. latidens (179616) | |
Bridgerian | USA (Wyoming) | Tillodon fodiens, T. hyracoides (16201) Tillotherium sp. (16213) T. castoridens (16228) T. gazini (75120) T. hyracoides (16137 16138 16205 16226 16413) T. latidens (16198 16289 16355 16358 16359 16360 16496) T. sp. (15837 16207 16223 16291 16302 16376 16415 16438 16452 16479 16480 16485 16488) | |
Bridgerian | USA (Utah) | T. sp. (16396) | |
Bridgerian | USA (Colorado) | T. grangeri (16239 16240 16241 16242 16398) | |
Bridgerian | USA (California) | T. sp. (16422) | |
Middle Eocene | China (Hubei) | Kuanchuanius danjiangensis (175807) | |
Middle Eocene | Japan | T. sp. (179617) |