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Stearoceras involutum

Cephalopoda - Nautilida - Grypoceratidae

Taxonomy
Stearoceras involutum was named by Tucker (1976). Its type specimen is PE 27956. Its type locality is Type localitity of Shumway Limestone Member, Matttoon Fm., Shumway Cyclothem, which is in a Virgilian carbonate lime mudstone/limestone in the Mattoon Formation of Illinois.

Synonymy list
YearName and author
1976Stearoceras involutum Tucker p. 65

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassNautiloideaAgassiz 1847
orderNautilidaAgassiz 1847
suborderTainoceratinaShimansky 1964
superfamilyTrigonoceratoidea(Hyatt 1884)
familyGrypoceratidaeHyatt 1900
genusStearoceras
speciesinvolutum

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.

†Stearoceras involutum Tucker 1976
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragoniteo
Environment: marinec
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:35:00
Modified: 2009-09-27 12:10:42
Source: o = order, c = class
References: Kiessling 2004, Kiessling 2003

Age range: Virgilian or 303.70000 to 298.90000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Virgilian303.7 - 298.9USA (Illinois) Stearoceras involutum (type locality: 50219)