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Semiannuloceras

Cephalopoda - Orthocerida - Baltoceratidae

Taxonomy
Semiannuloceras was named by Evans (2005). Its type is Semiannuloceras abbeyense.

It was assigned to Baltoceratidae by Evans (2005).

Species
S. abbeyense (type species)

Synonymy list
YearName and author
2005Semiannuloceras Evans p. 34

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classCephalopodaCuvier 1797
subclassOrthoceratoidea(M'Coy 1844)
orderOrthoceridaKuhn 1940
familyBaltoceratidaeKobayashi 1935
genusSemiannuloceras

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.

G. †Semiannuloceras Evans 2005
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragoniteo
Environment: marineo
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-10-06 14:35:22
Modified: 2009-04-13 11:56:59
Source: o = order, c = class
References: Aberhan et al. 2004, Kiessling 2004

Age range: base of the Moridunian to the top of the Whitlandian or 477.70000 to 470.70000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Moridunian477.7 - 473.8United Kingdom (Wales) S. abbeyense (89426 89430)
Moridunian - Whitlandian477.7 - 470.7United Kingdom (Wales) S. abbeyense (89427)
Whitlandian473.8 - 470.7United Kingdom (Wales) S. abbeyense (89428)