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Grypoceras quadrangulum

Cephalopoda - Nautilida - Grypoceratidae

Taxonomy
Nautilus quadrangulus was named by Beyrich (1866).

It was recombined as Grypoceras quadrangulum by Pérez-Valera et al. (2016).

Sister species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1866Nautilus quadrangulus Beyrich p. 671
2016Grypoceras quadrangulum Pérez-Valera et al. p. 179 fig. 6

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassNautiloideaAgassiz 1847
orderNautilidaAgassiz 1847
superfamilyTrigonoceratoidea(Hyatt 1884)
familyGrypoceratidaeHyatt 1900
genusGrypocerasHyatt 1883
speciesquadrangulum(Beyrich 1866)

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.

Diagnosis
No diagnoses are available