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Prionocycloceras obatai

Cephalopoda - Ammonitida - Collignoniceratidae

Taxonomy
Prionocycloceras obatai was named by Futakami (1991). Its type specimen is NSM PM9578, a shell, and it is a 3D body fossil. Its type locality is Ki607, Roku-no-sawa stream, which is in a Coniacian marine siltstone in Japan.

Sister species lacking formal opinion data
P. guayabanum

Synonymy list
YearName and author
1991Prionocycloceras obatai Futakami p. 261 figs. Pl 2, figs 3,4

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyAcanthoceratoidea(de Grossouvre 1894)
familyCollignoniceratidaeWright and Wright 1951
subfamilyCollignoniceratinaeWright and Wright 1951
genusPrionocyclocerasSpath 1926
speciesobatai

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.

†Prionocycloceras obatai Futakami 1991
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragoniteo
Environment: marinec
Locomotion: fast-movingo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:27:03
Modified: 2009-10-08 14:14:55
Source: o = order, c = class
References: Kiessling 2004, Kiessling 2003

Age range: Early/Lower Coniacian or 89.30000 to 85.80000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Coniacian89.3 - 85.8Japan Prionocycloceras obatai (type locality: 181019 181021)