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Spyroceras cylindratum

Cephalopoda - Pseudorthocerida - Spyroceratidae

Taxonomy
Spyroceras cylindratum was named by Foerste (1932). It is a 3D body fossil.

It was recombined as Cycloceras cylindratum by Wilson (1946).

Sister species lacking formal opinion data
S. fukujiense, S. nuntium, S. perroti, S. thoas

Synonymy list
YearName and author
1932Spyroceras cylindratum Foerste p. 97 figs. Pl. 11, figs. 6A, B, 7A-C
1946Cycloceras cylindratum Wilson
1961Spyroceras cylindratum Wilson pp. 35 - 36 figs. pl 9 f. 1 - 5

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassOrthoceratoideaZhuravleva 1994
orderPseudorthocerida
familySpyroceratidaeShimizu and Obata 1935
genusSpyrocerasHyatt 1884
speciescylindratumFoerste 1932

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.

†Spyroceras cylindratum Foerste 1932
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Environment: marinec
Locomotion: fast-movingc
Life habit: nektonicc
Diet: carnivorec
Vision: well-developedc
Created: 2004-02-28 11:51:48
Modified: 2023-08-18 17:28:37
Source: c = class
Reference: Kiessling 2004

Age range: base of the Blackriveran to the top of the Rocklandian or 457.30000 to 449.60000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Blackriveran457.3 - 449.6Canada (Ontario) Cycloceras cylindratum (55999)
Blackriveran457.3 - 449.6USA (Illinois, Iowa, Wisconsin) Spyroceras cylindratum (23753 23757)
Blackriveran457.3 - 449.6USA (Minnesota) Spyroceras cylindratum (23690)
Blackriveran - Rocklandian457.3 - 449.6USA (Minnesota) Spyroceras cylindratum (23691)