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Ectoconus ditrigonus

Mammalia - Periptychidae

Taxonomy
Periptychus ditrigonus was named by Cope (1882). Its type specimen is AMNH 3798, a mandible (fragment of right dentary with m2), and it is a 3D body fossil. It is the type species of Ectoconus.

It was recombined as Conoryctes ditrigonus by Cope (1883) and Cope (1885); it was recombined as Ectoconus ditrigonus by Cope (1884), Cope (1888), Osborn and Earle (1895), Hay (1902), Matthew (1937), Schoch (1986), Eberle and Lillegraven (1998) and Eberle (2003).

Sister species lacking formal opinion data
E. maiusculus

Synonyms
Synonymy list
YearName and author
1882Periptychus ditrigonus Cope p. 465
1883Conoryctes ditrigonus Cope
1884Ectoconus ditrigonus Cope
1885Conoryctes ditrigonus Cope
1888Ectoconus ditrigonus Cope p. 356
1895Ectoconus ditrigonus Osborn and Earle
1902Ectoconus ditrigonus Hay p. 694
1937Ectoconus ditrigonus Matthew
1937Ectoconus majusculus Matthew
1941Ectoconus majusculus Simpson p. 1
1986Ectoconus ditrigonus Schoch
1998Ectoconus ditrigonus Eberle and Lillegraven
2003Ectoconus ditrigonus Eberle p. 159

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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
subfamilyPeriptychinaeOsborn and Earle 1895
genusEctoconusCope 1884
speciesditrigonus()

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.

†Ectoconus ditrigonus Cope 1882
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Invalid names: Ectoconus majusculus Matthew 1937 [synonym]
Diagnosis
No diagnoses are available
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: Lillegraven 1979, Ji et al. 2002, Hendy et al. 2009, Archibald 1998, Carroll 1988

Age range: Puercan or 66.00000 to 63.30000 Ma

Collections (24 total)


Time interval Ma Country or state Original ID and collection number
Puercan66.0 - 63.3USA (Wyoming) Ectoconus ditrigonus (14716 14717)
Puercan66.0 - 63.3USA (Colorado) Ectoconus ditrigonus (14679 14684 14687 14688 14792 205863 205864 205868 205871 205881 205886 209900 209983 209997)
Puercan66.0 - 63.3USA (New Mexico) Ectoconus ditrigonus (14703 14760 14794) Ectoconus sp. (14661 14662)
Puercan66.0 - 63.3USA (Utah) Ectoconus ditrigonus (14692 14736 14739)