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Stenopterygius longifrons

Reptilia

Taxonomy
Stenopterygius longifrons was named by Owen (1881). It is not extant.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1881Stenopterygius longifrons Owen
2000Stenopterygius longifrons Maisch and Matzke p. 75
2003Stenopterygius longifrons McGowan and Motani

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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
RankNameAuthor
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Ichthyosauromorpha
Ichthyosauriformes
Ichthyopterygia(Owen 1840)
Eoichthyosauria
Ichthyosauria(de Blainville 1835)
Thunnosauria
genusStenopterygiusJaekel 1904
specieslongifronsOwen 1881

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
M. W. Maisch and A. T. Matzke 2000"Orbit moderately large, snout very long, always longer than 2/3 lower jaw length, very delicate and slender, dentition in adult animals retained but consisting of very small teeth, maxilla high, reaches naris, frontals very reduced and narrow, parietal reaches nasal, high-crowned skull, forefins small and rounded, about 2/3 lower jaw length or somewhat less, skull much less than 1/3 preflexural length, body slender, ribs short."
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: Early/Lower Toarcian or 183.00000 to 182.00000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Toarcian183.0 - 182.0France Stenopterygius longifrons (122731)
Falciferum183.0 - 182.0Germany Stenopterygius longifrons (139774 139781)