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

Achaenodon robustus

Osteichthyes - Helohyidae

Taxonomy
Achaenodon robustus was named by Osborn (1883). Its type specimen is PU 10033, a partial skull (Greater portion of the skull and the right ramus of the mandible), and it is a 3D body fossil. Its type locality is Washakie B (Lower), which is in an Uintan terrestrial horizon in the Washakie Formation of Wyoming.

Synonymy list
YearName and author
1883Achaenodon robustus Osborn p. 24
1902Achaenodon robustus Hay p. 654
1955Achaenodon robustus Gazin
2007Achaenodon robustus Foss p. 86

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

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()
RankNameAuthor
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
superfamilyDichobunoideaGill 1872
familyHelohyidae
genusAchaenodon()
speciesrobustus

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.

†Achaenodon robustus Osborn 1883
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialo
Locomotion: actively mobilec
Life habit: ground dwellingo
Diet: grazero
Diet 2: browsero
Reproduction: viviparoussubc
Created: 2005-08-26 14:03:05
Modified: 2005-09-19 12:23:23
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Hendy et al. 2009, Nowak 1999, Carroll 1988

Age range: Uintan or 45.90000 to 39.70000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Uintan45.9 - 39.7USA (California) Achaenodon robustus (16727 16729 16732 16740 16742)
Uintan45.9 - 39.7USA (Wyoming) Achaenodon robustus (16559 type locality: 16648)