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Eutrephoceras stephensoni

Cephalopoda - Nautilida - Nautilidae

Taxonomy
Nautilus stephensoni was named by Dickerson (1914) [DISTRIBUTION: Paleocene; California.]. It is a 3D body fossil. Its type locality is UCMP 243, south of Muir Station, which is in a Selandian coastal siliciclastic in the Vine Hill Formation of California.

It was recombined as Eutrephoceras stephensoni by Spath (1927), Miller and Thompson (1933), Vokes (1937), Miller (1947) and Miller and Downs (1950).

Synonymy list
YearName and author
1914Nautilus stephensoni Dickerson p. 150 figs. pl. 18, figs. 2a, b
1925Nautilus stephensoni Nelson p. 402
1927Eutrephoceras stephensoni Spath p. 426
1933Eutrephoceras stephensoni Miller and Thompson p. 302
1937Eutrephoceras stephensoni Vokes p. 4 figs. Pl 2, figs 12-14
1947Eutrephoceras stephensoni Miller p. 36
1950Eutrephoceras stephensoni Miller and Downs p. 3 figs. Pl 1, figs 4,5

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassNautiloideaAgassiz 1847
orderNautilidaAgassiz 1847
superfamilyNautiloidea(de Blainville 1825)
familyNautilidaede Blainville 1825
genusEutrephoceras
speciesstephensoni()

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.

†Eutrephoceras stephensoni Dickerson 1914
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Diagnosis
No diagnoses are available