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Temnodontosaurus crassimanus

Reptilia

Taxonomy
Temnodontosaurus crassimanus was named by Blake (1876). Its type specimen is YORYM: 497, a partial skeleton, and it is a 3D body fossil.

Synonymy list
YearName and author
1876Temnodontosaurus crassimanus Blake
2003Temnodontosaurus crassimanus McGowan and Motani
2016Temnodontosaurus crassimanus Ji et al. p. 11
2020Temnodontosaurus crassimanus Swaby and Lomax

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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()
RankNameAuthor
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Ichthyosauromorpha
—Ichthyosauriformes
—Ichthyopterygia(Owen 1840)
—Eoichthyosauria
—Ichthyosauria(de Blainville 1835)
—Parvipelvia
—NeoichthyosauriaSander 2000
genusTemnodontosaurusLydekker 1889
speciescrassimanusBlake 1876

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.

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Diagnosis
ReferenceDiagnosis
E. J. Swaby and D. R. Lomax 2020Large-bodied temnodontosaurid with the following autapomorphies that distinguish it from other members of the Temnodontosauridae: humerus proximodistally longer than scapula (scapula length vs humerus length ratio: ~0.68); forefin significantly longer but less than twice the length of the hindfin (forefin length vs hindfin length ratio: ~1.51); forefins large relative to total body length (forefin length vs estimated total body length ratio: ~0.12). In addition, the following characters may prove to be unique to the species: humerus distal width almost equal to humerus length; the presence of notching in at least five leading edge elements (digit II) of both the fore- and hindfins, but most likely does not involve all of the elements of the leading edge; anteroposteriorly wider fore- and hindfins compared with T. trigonodon; number of elements in the longest digit probably >15.
Measurements
No measurements are available
Composition: hydroxyapatiteo
Environment: marineo
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Reproduction: viviparouso
Created: 2009-07-20 06:07:40
Modified: 2010-02-23 00:20:57
Source: o = order
Reference: Kiessling 2004

Age range: base of the Toarcian to the top of the Bifrons or 182.70000 to 175.60000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Falciferum - Bifrons183.0 - 175.6United Kingdom (England) Temnodontosaurus crassimanus (90459)
Toarcian182.7 - 174.1United Kingdom (North Yorkshire) Temnodontosaurus crassimanus (220942)