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Didymoceras tortus

Cephalopoda - Ammonitida - Nostoceratidae

Taxonomy
Helicoceras tortus was named by Meek and Hayden (1858). It is a 3D body fossil.

It was recombined as Didymoceras tortus by Kennedy et al. (2000).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1858Helicoceras tortus Meek and Hayden p. 54
2000Didymoceras tortus Kennedy et al. p. 7

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAncyloceratinaWiedmann 1966
superfamilyTurrilitoidea(Gill 1871)
familyNostoceratidaeHyatt 1894
genusDidymocerasHyatt 1900
speciestortus(Meek and Hayden 1858)

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.

Didymoceras tortus Meek and Hayden 1858
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Diagnosis
No diagnoses are available