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Loxolophus spiekeri

Mammalia - Procreodi - Arctocyonidae

Taxonomy
Protogonodon spiekeri was named by Gazin (1938) [original combination not certain; this is a guess based on discussion of Williamson 1996]. Its type locality is Dragon Canyon, which is in a Torrejonian terrestrial horizon in the North Horn Formation of Utah.

It was recombined as Loxolophus spiekeri by Van Valen (1978) and Williamson (1996).

Synonyms
Synonymy list
YearName and author
1938Protogonodon spiekeri Gazin
1941Protogonodon spiekeri Gazin pp. 17 - 18 figs. Figure 9
1941Protogonodon biathales Gazin pp. 19 - 20 figs. Figure 10
1978Loxolophus spiekeri Van Valen
1986Loxolophus biathales Robison
1996Loxolophus spiekeri Williamson

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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
—Therapsida()
infraorderCynodontia()
RankNameAuthor
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
orderProcreodiMatthew 1915
familyArctocyonidaeMurray 1866
genusLoxolophus
speciesspiekeri(Gazin 1938)

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.

†Loxolophus spiekeri Gazin 1938
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Invalid names: Protogonodon biathales Gazin 1941 [synonym]
Diagnosis
No diagnoses are available