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Smilodonterpeton ruthinensis

Reptilia - Procolophonidae

Discussion

Derivation of species name. Greek meaning from Ruthin, referring to the Ruthin Quarry where the fossils were discovered.

Taxonomy
Smilodonterpeton ruthinensis was named by Skinner et al. (2020). Its type specimen is NHMUK PV R37469, a mandible (Two fragments of a partial right dentary), and it is a 3D body fossil. Its type locality is Ruthin Quarry, which is in a Rhaetian fissure fill limestone/sandstone in the United Kingdom. It is the type species of Smilodonterpeton.

Synonymy list
YearName and author
2020Smilodonterpeton ruthinensis Skinner et al. p. 542

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
RankNameAuthor
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassParareptiliaLawrence 1868
superfamilyProcolophonoidea
familyProcolophonidae
genusSmilodonterpeton
speciesruthinensis

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.

Smilodonterpeton ruthinensis Skinner et al. 2020
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Diagnosis
ReferenceDiagnosis
M. Skinner et al. 2020A procolophonid with the following autapomorphies: (1) at least three, near-square or sub-trapezoid (in labial or lingual views), posterior acrodont dentary teeth parallel or near-parallel to the long axis of the dentary; (2) a defined anterior and posterior groove that pinches the base of the teeth, absent laterally; (3) a shallow, rather than deep, dentary possessing a deep Meckelian groove outlined ventrally by a well-defined inframeckelian lip.
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: Rhaetian or 208.50000 to 201.30000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Rhaetian208.5 - 201.3United Kingdom (Wales) Smilodonterpeton ruthinensis (type locality: 46077)