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Kosmoceras spinosum

Cephalopoda - Ammonitida - Kosmoceratidae

Taxonomy
Ammonites spinosus was named by Sowerby (1826). It is the type species of Kosmoceras.

It was recombined as Cosmoceras spinosum by Jeannet (1951) and Imlay (1953); it was recombined as Kosmoceras spinosum by Reyment (1971).

Sister species lacking formal opinion data
K. aculeatum, K. geminatum, K. gulielmi, K. phaeinum, K. proniae, K. grossouveri

Synonymy list
YearName and author
1826Ammonites spinosus Sowerby
1951Cosmoceras spinosum Jeannet p. 155 figs. Pl 26, figs 4-8; text-fig 378
1953Cosmoceras spinosum Imlay p. 100 figs. Pl 53, figs 4,5
1971Kosmoceras spinosum Reyment p. 21 figs. Pl 3, figs 7,8; pl 4, fig 1

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyPerisphinctoidea(Steinman 1890)
familyKosmoceratidaeHaug 1887
subfamilyKosmoceratinaeHaug 1887
genusKosmocerasWaagen 1869
speciesspinosum(Sowerby 1826)

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.

†Kosmoceras spinosum Sowerby 1826
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Diagnosis
No diagnoses are available