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Sphenacodon ferox

Sphenacodontidae

Taxonomy
Sphenacodon ferox was named by Marsh (1878). Its type specimen is YP 806, a partial skull (dentary and maxillae), and it is a 3D body fossil. Its type locality is Baldwin bonebed, which is in a Wolfcampian terrestrial horizon in the Abo/Cutler Formation of New Mexico. It is the type species of Sphenacodon.

Synonyms
  • Scoliomus puercensis was named by Williston and Case (1913). It is the type species of Scoliomus.

    It was synonymized subjectively with Sphenacodon ferox by Reisz and Berman (1985).
Synonymy list
YearName and author
1878Sphenacodon ferox Marsh
1902Sphenacodon ferox Hay p. 434
1907Sphenacodon ferox Case p. 66
1913Scoliomus puercensis Williston and Case
1930Scoliomus puercensis Hay p. 49
1930Sphenacodon ferox Hay p. 53
1986Sphenacodon ferox Reisz p. 77

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
RankNameAuthor
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
suborderEupelycosauria
—SphenacomorphaIvakhnenko 2003
suborderSphenacodontia
—Sphenacodontoidea
familySphenacodontidaeMarsh 1878
subfamilySphenacodontinae
genusSphenacodonMarsh 1878
speciesferoxMarsh 1878

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.

†Sphenacodon ferox Marsh 1878
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Invalid names: Scoliomus puercensis Williston and Case 1913 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialuc
Locomotion: actively mobilec
Created: 2017-04-17 15:15:35
Modified: 2017-04-17 15:15:35
Source: c = class, subp = subphylum, uc = unranked clade
References: Hendy et al. 2009, Carroll 1988

Age range: base of the Virgilian to the top of the Wolfcampian or 303.70000 to 286.00000 Ma

Collections (10 total)


Time interval Ma Country or state Original ID and collection number
Virgilian303.7 - 298.9USA (New Mexico) Sphenacodon ferox (34761)
Virgilian - Wolfcampian303.7 - 286.0USA (New Mexico) Sphenacodon ferox (77412)
Wolfcampian298.9 - 286.0USA (New Mexico) Sphenacodon ferox (type locality: 80833 179932 180106 180383 180384 180940 181077) Sphenacodon sp. (180974)