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Seymouria grandis

Seymouriidae

Taxonomy
Seymouria grandis was named by Olson (1979). It is not extant. Its type specimen is FMNH UR 1031, a partial skull. Its type locality is 9.6 km south of Crescent, which is in a Kungurian terrestrial siltstone in Oklahoma.

Synonymy list
YearName and author
1979Seymouria grandis Olson
2003Seymouria grandis Bulanov

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
RankNameAuthor
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
suborderSeymouriamorphaWatson 1917
superfamilySeymourioideaTatarinov 1971
familySeymouriidaeWilliston 1911
genusSeymouria
speciesgrandis

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.

†Seymouria grandis Olson 1979
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: brackish, freshwater, terrestrialuc
Locomotion: actively mobilec
Created: 2017-04-17 15:15:19
Modified: 2017-04-17 15:15:19
Source: c = class, subp = subphylum, uc = unranked clade
References: Hendy et al. 2009, Carroll 1988

Age range: Kungurian or 279.30000 to 272.30000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Kungurian279.3 - 272.3USA (Oklahoma) Seymouria grandis (type locality: 181086 181087)
Kungurian279.3 - 272.3USA (Texas) Seymouria grandis (178738)