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Essonodon browni

Osteichthyes - Multituberculata - Cimolomyidae

Taxonomy
Essonodon browni was named by Simpson (1927). Its type specimen is AMNH 14410, a tooth (an isolated second lower molar), and it is a 3D body fossil. Its type locality is Crooked Creek, which is in a Maastrichtian terrestrial horizon in the Hell Creek Formation of Montana. It is the type species of Essonodon.

Synonymy list
YearName and author
1927Essonodon browni Simpson
1929Essonodon browni Simpson p. 114
1930Essonodon browni Hay p. 382
1979Essonodon browni Clemens and Kielan-Jaworowska p. 102
2004Essonodon browni Kielan-Jaworowska et al. pp. 255, 329
2013Essonodon browni Donohue et al. p. 685

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
RankNameAuthor
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Allotheria()
orderMultituberculataCope 1884
suborderCimolodonta()
familyCimolomyidae
genusEssonodon
speciesbrowni

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.

†Essonodon browni Simpson 1927
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilec
Life habit: arborealo
Diet: herbivoreo
Created: 2005-09-01 17:42:57
Modified: 2005-09-01 19:42:57
Source: o = order, c = class, subp = subphylum
References: Hendy et al. 2009, Jenkins and Krause 1983, Carroll 1988, Hopson 1973

Age range: Late/Upper Maastrichtian or 72.20000 to 66.00000 Ma

Collections (16 total)


Time interval Ma Country or state Original ID and collection number
Lancian72.2 - 66.0USA (Wyoming) Essonodon browni, Essonodon sp. (14514)
Lancian72.2 - 66.0USA (New Mexico) Essonodon browni (14518)
Lancian72.2 - 66.0USA (Montana) Essonodon browni (14508 14516 14520 14523 14534 14546 14549 14568 14575 14576 14616 172644)
Late/Upper Maastrichtian72.2 - 66.0USA (North Dakota) Essonodon browni (45137)
Late/Upper Maastrichtian72.2 - 66.0USA (Montana) Essonodon browni (type locality: 119007)