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Dromomeryx borealis

Osteichthyes - Dromomerycidae

Taxonomy
Blastomeryx borealis was named by Cope (1877) [type is from "the Upper Miocene of Montana" and was found by Cope's "assistant, J. C. Isaac"]. It is a 3D body fossil.

It was recombined as Palaeomeryx borealis by Douglass (1899), Douglass (1903), Matthew (1904), Matthew (1909); it was recombined as Dromomeryx borealis by Douglass (1909), Frick (1937), Janis and Manning (1998), Prothero and Liter (2007), Prothero and Liter (2008).

Synonyms
Synonymy list
YearName and author
1877Blastomeryx borealis Cope p. 222
1878Blastomeryx borealis Cope p. 382
1899Palaeomeryx borealis Douglass
1902Blastomeryx borealis Hay p. 682
1903Palaeomeryx borealis Douglass
1904Palaeomeryx borealis Matthew p. 128 fig. 21
1908Blastomeryx borealis Matthew
1909Dromomeryx borealis Douglass
1909Palaeomeryx borealis Matthew
1909Blastomeryx borealis Matthew and Cook
1915Dromomeryx whitfordi Sinclair
1937Dromomeryx borealis Frick
1937Dromomeryx pawniensis Frick
1998Dromomeryx borealis Janis and Manning
2007Dromomeryx borealis Prothero and Liter p. 246
2008Dromomeryx borealis Prothero and Liter

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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
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
RankNameAuthor
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
—Ruminantiamorpha
—Ruminantia(Scopoli 1777)
—Pecora()
superfamilyCervoidea
familyDromomerycidaeFrick 1937
tribeDromomeryciniFrick 1937
genusDromomeryx
speciesborealis()

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.

†Dromomeryx borealis Cope 1877
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Invalid names: Dromomeryx pawniensis Frick 1937 [synonym], Dromomeryx whitfordi Sinclair 1915 [synonym]
Diagnosis
ReferenceDiagnosis
D. R. Prothero and M. R. Liter 2008Horns large and broad, forwardly directed (forming an angle of 60 degrees with the nasals) and somewhat laterally bowed; prominent lateral basal flange, and deeply grooved on the anterolateral face. Orbit moved posteriorly (anterior rim over posterior M3). Shallow lacrimal fossa. Lower p4 with anterior fossette closed by anterior exten- sion of metaconid (modified from Janis and Manning, 1998).
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialo
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: browserg
Reproduction: viviparoussubc
Created: 2009-01-04 10:44:30
Modified: 2009-01-04 12:44:30
Source: g = genus, f = family, o = order, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Solounias and Moelleken 1993, Hendy et al. 2009, Lillegraven 1979, Nowak 1999, Janis and Manning 1998

Age range: base of the Hemingfordian to the top of the Clarendonian or 18.50000 to 9.40000 Ma

Collections (26 total)


Time interval Ma Country or state Original ID and collection number
Miocene23.04 - 5.333USA (Oregon) Dromomeryx borealis (18953 18994 18995 19028)
Miocene23.04 - 5.333USA (Montana) Dromomeryx borealis (18969)
Hemingfordian18.5 - 16.3USA (Nebraska) Dromomeryx whitfordi (17916)
Hemingfordian - Barstovian18.5 - 12.5USA (Oregon) Dromomeryx borealis (18864)
Barstovian16.3 - 12.5USA (Nebraska) Dromomeryx borealis (18261)
Barstovian16.3 - 12.5USA (Montana) Dromomeryx borealis (18894 19120)
Barstovian16.3 - 12.5USA (Oregon) Dromomeryx borealis (18809 19011 19017 19056 19092)
Barstovian16.3 - 12.5USA (Colorado) Dromomeryx pawniensis (18203)
Barstovian16.3 - 12.5USA (Nevada) Dromomeryx borealis (19088)
Early/Lower Barstovian16.3 - 12.5USA (Nebraska) Dromomeryx whitfordi (17904 17905 17911 17976 17983 17995 17996)
Early/Lower Barstovian16.3 - 12.5USA (New Mexico) Dromomeryx borealis (19547)
Clarendonian12.5 - 9.4USA (California) Dromomeryx sp. (19145)