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Gypsonictops lewisi
Taxonomy
Gypsonictops lewisi was named by Sahni (1972). Its type specimen is AMNH 77429, a tooth (isolated p4), and it is not a trace fossil. Its type locality is Clambank Hollow Quarry, which is in a Campanian/Campanian fine channel fill claystone in the Judith River Formation of Montana.
Synonymy list
Year | Name and author |
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1972 | Gypsonictops lewisi Sahni |
1979 | Gypsonictops lewisi Kielan-Jaworowska et al. p. 223 |
1986 | Gypsonictops lewisi Lillegraven and McKenna p. 38 |
2004 | Gypsonictops lewisi Kielan-Jaworowska et al. pp. 494, 506 |
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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.
†Gypsonictops lewisi Sahni 1972
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: g = genus, f = family, subc = subclass, c = class, subp = subphylum | |||||
References: Carroll 1988, Lillegraven 1979, Kielan-Jaworowska et al. 2004, Kielan-Jaworowska et al. 1979, Ji et al. 2002, Hendy et al. 2009 |
Age range: base of the Judithian to the top of the Edmontonian or 83.50000 to 66.00000 Ma
Collections (11 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Judithian | Canada (Alberta) | Gypsonictops lewisi (14451 14463 14471 14485) | |
Judithian | USA (Wyoming) | Gypsonictops lewisi (14433 14458) | |
Late/Upper Campanian | Canada (Alberta) | Gypsonictops lewisi (45899) | |
Middle Campanian - Late/Upper Campanian | USA (Montana) | Gypsonictops lewisi (type locality: 14446 14461 14470) | |
Edmontonian | USA (New Mexico) | Gypsonictops lewisi (14496) |