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Simbirskites (Speetoniceras)

Cephalopoda - Ammonitida - Polyptychitidae

Taxonomy
Speetoniceras was named by Spath (1924) [Sepkoski's age data: K Haut-l].

It was reranked as Simbirskites (Speetoniceras) by Wright et al. (1996).

It was assigned to Simbirskites by Wright et al. (1996); and to Ammonoidea by Imlay (1960) and Sepkoski (2002).

Synonymy list
YearName and author
1924Speetoniceras Spath
1960Speetoniceras Imlay p. 213
1996Simbirskites (Speetoniceras) Wright et al. p. 38
2002Speetoniceras Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyPerisphinctaceaeSteinman 1890
familyPolyptychitidaeWedekind 1918
subfamilySimbirskitinae(Pavlow 1892)
genusSimbirskitesPavlow 1891
subgenusSpeetoniceras(Spath 1924)

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.

Subg. †Simbirskites (Speetoniceras) Spath 1924
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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 2003, Kiessling 2004

Age range: base of the Hauterivian to the top of the Late/Upper Hauterivian or 132.90000 to 130.00000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Hauterivian136.4 - 130.0Greenland Simbirskites sp. (83688)
Late/Upper Hauterivian136.4 - 130.0Russian Federation (Ulyanovsk) Speetoniceras sp. (214819)
Hauterivian132.9 - 129.4Russian Federation Speetoniceras sp. (2521)
Hauterivian132.9 - 129.4Georgia Speetoniceras versicolor, Speetoniceras inversum (2114)