Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Amphicyon longiramus

Mammalia - Carnivora - Amphicyonidae

Taxonomy
Amphicyon longiramus was named by White (1942). Its type locality is Thomas Farm, which is in a Hemingfordian terrestrial sandstone/claystone in the Alachua Formation of Florida.

It was synonymized subjectively with Amphicyon intermedius by Olsen (1958).

Sister species lacking formal opinion data
A. confucianus, A. cooperi, A. crassidens, A. steinheimensis

Synonymy list
YearName and author
1942Amphicyon longiramus White
1960Amphicyon longiramus Olsen

Is something missing? Join the Paleobiology Database and enter the data

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()
—Mammaliamorpha
—Mammaliaformes
classMammalia
RankNameAuthor
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Ferae()
—CarnivoramorphaWyss and Flynn 1993
—CarnivoraformesFlynn et al.
orderCarnivora
suborderCaniformiaKretzoi 1943
familyAmphicyonidaeHaeckel 1886
subfamilyAmphicyoninaeTrouessart 1885
tribeAmphicyoniniTrouessart 1885
genusAmphicyonLartet 1836
specieslongiramus

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.

†Amphicyon longiramus White 1942
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: carnivoref
Reproduction: viviparoussubc
Created: 2005-08-30 14:52:56
Modified: 2005-08-30 16:52:56
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Hunt 1998, Carroll 1988, Ji et al. 2002, Hendy et al. 2009, Lillegraven 1979

Age range: base of the Barstovian to the top of the Hemingfordian or 16.30000 to 15.97000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Burdigalian20.44 - 15.97USA (Delaware) Amphicyon intermedius (18579)
Hemingfordian20.43 - 15.97USA (Florida) Amphicyon longiramus (type locality: 18597)
Hemingfordian20.43 - 15.97USA (Texas) Amphicyon sp. (18626)
Barstovian16.3 - 12.5USA (Texas) Amphicyon longiramus (18637 18705)