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Acrioceras hamlini

Cephalopoda - Ammonitida - Ancyloceratidae

Taxonomy
Aspinoceras hamlini was named by Anderson (1938) [DISTRIBUTION: Hauterivian; Pacific Coast, North America.]. It is a 3D body fossil. Its type locality is CAS Loc. 113, Mitchell Creek, which is in a Hauterivian marine siliciclastic in the Budden Canyon Formation of California. It is the type species of Aspinoceras.

It was recombined as Acrioceras hamlini by Imlay (1960).

Sister species lacking formal opinion data
A. breistrofferi, A. incumbens, A. julivertii, A. nodulosum, A. terveri

Synonymy list
YearName and author
1938Aspinoceras hamlini Anderson p. 207 figs. pl. 60, figs. 1, 2
1960Acrioceras hamlini Imlay p. 199

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAncyloceratinaWiedmann 1966
superfamilyAncyloceratoidea(Gill 1871)
familyAncyloceratidaeGill 1871
subfamilyAncyloceratinaeGill 1871
genusAcrioceras
specieshamlini()

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.

†Acrioceras hamlini Anderson 1938
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Diagnosis
No diagnoses are available