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Baioconodon
Taxonomy
Baioconodon was named by Gazin (1941). Its type is Baioconodon denverensis.
It was assigned to Creodonta by Gazin (1941); to Cete by Archibald (1998); to Loxolophinae by Eberle (2003) and Middleton and Dewar (2004); and to Arctocyonidae by Tabuce et al. (2011).
It was assigned to Creodonta by Gazin (1941); to Cete by Archibald (1998); to Loxolophinae by Eberle (2003) and Middleton and Dewar (2004); and to Arctocyonidae by Tabuce et al. (2011).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1941 | Baioconodon Gazin p. 292 fig. 2 |
| 1978 | Ragnarok Van Valen |
| 1998 | Baioconodon Archibald |
| 1998 | Ragnarok Archibald p. 315 |
| 2003 | Baioconodon Eberle p. 153 |
| 2004 | Baioconodon Middleton and Dewar p. 72 |
| 2011 | Baioconodon Tabuce et al. p. 152 |
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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. †Baioconodon Gazin 1941
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†Baioconodon cannoni Middleton and Dewar 2004
†Baioconodon denverensis Gazin 1941
†Baioconodon engdahli Archibald 1982
†Baioconodon jeffersonensis Eberle 2003
†Baioconodon middletoni Eberle and Lillegraven 1998
†Baioconodon wovokae Van Valen 1978
Invalid names: Ragnarok Van Valen 1978 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. L. Gazin 1941 | Trigonid of lower molars moderat-ely elevated, with paraconid lingual and well defined. Ridge extending anterolingually from hypoconid joins posterior wall of trigonid at distinctly lingual point. l\13 un- reduced, with hypoconulid crenulate and talonid basin exhibiting rugae. External cingulae developed. |
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Archibald 1998, Lillegraven 1979, Hendy et al. 2009, Ji et al. 2002, Carroll 1988 | |||||
Age range: base of the Late/Upper Maastrichtian to the top of the Puercan or 70.60000 to 63.30000 Ma
Collections (51 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Maastrichtian | USA (Montana) | B. nordicus (183109) | |
| Puercan | USA (Montana) | B. denverensis (14809) B. engdahli, B. harbichti (14705) B. nordicum, Ragnarok harbichti (14743) B. nordicus (14693 14744 14745) B. sp. (14672) B. sp., B. engdahli (231045) Ragnarok engdahli (14694 14742 14798) Ragnarok harbichti (14741) Ragnarok nordicum (14660 14668 14669 14676 14697 14699 14700 14740 14749 14751 14752 14754 14758 14761 14763 14773 14777 14778 14779 14782 14784 14785 14786 14787 14788 14789) | |
| Puercan | USA (Colorado) | B. denverensis (14774) B. denverensis, B. cannoni (14658) B. nordicus (176863) | |
| Puercan | USA (Wyoming) | B. denverensis (14729) B. middletoni (14797) B. sp. (14712) Loxolophus nordicus (14808) Ragnarok wovokae (14807) | |
| Puercan | Canada (Saskatchewan) | B. denverensis (14691 14768) Ragnarok sp. (14756) | |
| Torrejonian | USA (Texas) | B. sp. (14829) |