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Goleroconus alfi

Mammalia - Periptychidae

Taxonomy
Goleroconus alfi was named by McKenna and Honey (2008). Its type specimen is RAM 7171, a mandible (broken right den- tary bearing p4, m1, m2, and part of the trigonid of m3), and it is a 3D body fossil. It is the type species of Goleroconus.

Synonymy list
YearName and author
2008Goleroconus alfi McKenna and Honey p. 32 figs. 3 - 6

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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
Bulbulodentata
familyPeriptychidaeCope 1882
genusGoleroconus
speciesalfi

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.

Goleroconus alfi McKenna and Honey 2008
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Diagnosis
ReferenceDiagnosis
M. C. McKenna and J. G. Honey 2008Lower fourth premolar larger than molars and lingually hypsodont; p4 lacking both anterior basal cusp and labial heel cusp but having worn metaconid-like ridge and lingually crested heel; all lower molars lingually hypsodont; paraconid retained on all lower molars (including the m3 of the original jaw), although paraconid small, and when worn, resembling short, anteriorly projecting paralophid of Haploconus angustus Cope 1881 (AMNH 3447) and Haploconus corniculatus Cope, 1888, (AMNH 3538, 16693); size 157% that of Conacodon kohlbergeri Archibald et al., 1983b (see measurements in Table 1). Goleroconus is distinguished from various other periptychids by combination of features, including hypsodonty, premolar morphology, molar paraconid size and placement, position of molar talonid cusps relative to each other, and relative development of cingulids.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: herbivoref
Reproduction: viviparoussubc
Created: 2005-08-31 14:00:01
Modified: 2005-08-31 16:00:01
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, Ji et al. 2002, Lillegraven 1979, Archibald 1998

Age range: Tiffanian or 61.70000 to 56.80000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Tiffanian61.7 - 56.8USA (California) Goleroconus alfi (14872 224217)