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Cymatoceras semilobatum

Cephalopoda - Nautilida - Nautilidae

Taxonomy
Nautilus (Cymatoceras) semilobatus was named by Spengler (1910). It is a 3D body fossil. Its type locality is Utatur, Phosphatscichten, which is in an Albian carbonate limestone in India.

It was recombined as Cymatoceras semilobatus by Kummel (1956); it was recombined as Cymatoceras semilobatum by Shimansky (1975).

Sister species lacking formal opinion data
C. carllottense, C. neckerianus, C. robustus

Synonymy list
YearName and author
1910Nautilus (Cymatoceras) semilobatus Spengler p. 133 figs. Pl 11, figs 4a,b
1956Cymatoceras semilobatus Kummel p. 426
1975Cymatoceras semilobatum Shimansky p. 89

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassNautilia(Wade 1988)
orderNautilidaAgassiz 1847
superfamilyNautiloidea(de Blainville 1825)
familyNautilidaede Blainville 1825
genusCymatocerasHyatt 1884
speciessemilobatum()

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.

†Cymatoceras semilobatum Spengler 1910
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Diagnosis
No diagnoses are available
Measurements
partNmean
shell height143.3
shell diameter165.5
shell inflation10.001

Composition: aragoniteo
Environment: marinec
Locomotion: actively mobilef
Life habit: nektonicf
Diet: carnivoref
Vision: well-developedc
Created: 2009-09-27 10:10:59
Modified: 2009-09-27 12:10:59
Source: f = family, o = order, c = class
References: Kiessling 2004, Hendy et al. 2009, Kiessling 2003

Age range: Albian or 113.20000 to 100.50000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Albian113.2 - 100.5India Nautilus semilobatus (type locality: 166268)