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Plotosaurus tuckeri

Reptilia - Mosasauridae

Taxonomy
Kolposaurus tuckeri was named by Camp (1942). It is a 3D body fossil. Its type locality is UCMP V3736, which is in a Maastrichtian marine shale in the Moreno Formation of California.

It was recombined as Plotosaurus tuckeri by Camp (1951) and Russell (1967).

Synonymy list
YearName and author
1942Kolposaurus tuckeri Camp p. 8 figs. figs. 4-10, 13, 23; Pls. 2, 3
1951Plotosaurus tuckeri Camp p. 822
1967Plotosaurus tuckeri Russell p. 146

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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
—Sauropsida
classReptilia
—Squamata()
familyMosasauridae
subfamilyMosasaurinaeGervais 1853
tribeMosasaurini
genusPlotosaurusCamp 1951
speciestuckeri()

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.

†Plotosaurus tuckeri Camp 1942
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Diagnosis
ReferenceDiagnosis
C. L. Camp 1942 large, long-tailed mosasaur, about two-thirds the size of the specimen of Tylosaurus dyspelor, described by Osborn (1899); the lumbar and caudal centra are flat ventrally; the first twenty-nine caudal vertebrae (pygals) bear no traces of chevrons or peduncles; succeeding caudals with fused chevrons; transverse processes occur on only six of the chevron-bearing caudals; no traces of zygapophyses; a slight arch in the anterior caudal region.