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Trimorphoceras absolutum

Cephalopoda - Goniatitida - Rotopericyclidae

Taxonomy
Trimorphoceras absolutum was named by Ebbighausen et al. (2010). Its type specimen is MfN MB.C.18611.1, a shell, and it is a 3D body fossil. Its type locality is TIM-C7, Sebkha de Timimoun, which is in a Chadian carbonate limestone in the Argiles de Timimoun Inférieur Formation of Algeria. It is the type species of Trimorphoceras.

Synonymy list
YearName and author
2010Trimorphoceras absolutum Ebbighausen et al. p. 185 figs. 31, 32

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderGoniatitidaHyatt 1884
suborderGoniatitinaHyatt 1884
superfamilyPericycloidea(Hyatt 1900)
familyRotopericyclidae
subfamilyTrimorphoceratinae
genusTrimorphoceras
speciesabsolutum

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.

Trimorphoceras absolutum Ebbighausen et al. 2010
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height824.817.931.826.34.75
shell diameter849.737.065.850.79.01
shell inflation86.786.007.606.900.598

Composition: aragoniteo
Environment: marinec
Locomotion: fast-movingo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:36:55
Modified: 2005-10-06 16:36:08
Source: o = order, c = class
References: Kiessling 2003, Kiessling 2004

Age range: Chadian or 346.70000 to 339.90000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Chadian346.7 - 339.9Algeria Trimorphoceras absolutum (type locality: 224275)