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Baioconodon

Mammalia - Procreodi - Arctocyonidae

Synonyms
Synonymy list
YearName and author
1941Baioconodon Gazin p. 292
1978Ragnarok Van Valen
1998Baioconodon Archibald
1998Ragnarok Archibald p. 315
2003Baioconodon Eberle p. 153
2004Baioconodon Middleton and Dewar p. 72
2011Baioconodon Tabuce et al. p. 152

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
RankNameAuthor
Therapsida()
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
classMammalia
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
orderProcreodiMatthew 1915
familyArctocyonidaeMurray 1866
genusBaioconodon

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 engdahli Archibald 1982
Baioconodon middletoni Eberle and Lillegraven 1998
Baioconodon nordicus Jepsen 1930
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Invalid names: Ragnarok harbichti Van Valen 1978 [synonym]
Baioconodon wovokae Van Valen 1978
Invalid names: Ragnarok Van Valen 1978 [synonym]
Diagnosis
ReferenceDiagnosis
C. L. Gazin 1941Trigonid 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
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: omnivoref
Reproduction: viviparoussubc
Created: 2005-08-31 13:54:39
Modified: 2011-04-24 18:06:44
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Lillegraven 1979, Ji et al. 2002, Archibald 1998, 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 Maastrichtian70.6 - 66.0USA (Montana) B. nordicus (183109)
Puercan66.0 - 63.3USA (Wyoming) B. denverensis (14729) B. middletoni (14797) B. sp. (14712) Loxolophus nordicus (14808) Ragnarok wovokae (14807)
Puercan66.0 - 63.3USA (Colorado) B. denverensis (14774) B. denverensis, B. cannoni (14658) B. nordicus (176863)
Puercan66.0 - 63.3USA (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)
Puercan66.0 - 63.3Canada (Saskatchewan) B. denverensis (14691 14768) Ragnarok sp. (14756)
Torrejonian63.8 - 60.9USA (Texas) B. sp. (14829)