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Spirogmoceras

Cephalopoda - Ceratitida - Trachyceratidae

Synonymy list
YearName and author
1956Spirogmoceras Silberling
1981Spirogmoceras Tozer p. 95
1994Spirogmoceras Tozer p. 147
2002Spirogmoceras Sepkoski
2014Spirogmoceras Lukeneder and Lukeneder p. 369

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea()
orderCeratitidaHyatt 1884
superfamilyTrachyceratoidea(Haug 1894)
familyTrachyceratidaeHaug 1894
subfamilyProtrachyceratinaeTozer 1971
genusSpirogmocerasSilberling 1956

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. †Spirogmoceras Silberling 1956
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Invalid names: Trachyceras (Protrachyceras) beckeri Smith 1927 [synonym], Trachyceras (Protrachyceras) californicum Smith 1927 [synonym], Trachyceras (Protrachyceras) lecontei Hyatt and Smith 1905 [synonym], Trachyceras (Protrachyceras) lindgreni Smith 1927 [synonym], Trachyceras (Protrachyceras) madisonense Smith 1927 [synonym]
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height241.0--41.0-
shell diameter2135.4130.0141.0135.57.78
shell inflation214.0--14.0-

Composition: aragoniteo
Environment: marinec
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:33:06
Modified: 2005-10-06 16:36:47
Source: o = order, c = class
References: Kiessling 2003, Kiessling 2004

Age range: Tuvalian or 232.00000 to 221.50000 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Triassic237.0 - 201.4USA (Alaska) Trachyceras beckeri (40676)
Tuvalian232.0 - 221.5USA (Nevada) S. shastense (201916)
Tuvalian232.0 - 221.5USA (California) Trachyceras shastense, Trachyceras lecontei, Trachyceras beckeri, Trachyceras californicum, Trachyceras lindgreni, Trachyceras madisonense (33324)
Tuvalian232.0 - 221.5Turkey S. shastense (154850 154851 154852 154854 154856)
Tuvalian232.0 - 221.5Canada (British Columbia) S. shastense (49741 49742 49804 137667 138602) S. sp. (49644)