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Nautilus triangularis

Cephalopoda - Nautilida - Nautilidae

Taxonomy
Nautilus triangularis was named by Montfort (1802). It is a 3D body fossil. It is the type species of Angulithes.

It was corrected as Nautilus mermeti by Coquand (1862); it was recombined as Angulithes triangularis by Kummel (1956), Wiedmann (1960); it was recombined as Lissoniceras mermeti by Benavides-Caceres (1956); it was recombined as Deltoidonautilus mermeti by Abdel-Gawad (1992); it was recombined as Angulithes mermeti by Ayoub-Hannaa and Fürsich (2012).

Sister species lacking formal opinion data
N. calloviensis, N. concavus

Synonymy list
YearName and author
1802Nautilus triangularis Montfort
1862Nautilus mermeti Coquand p. 166 figs. pl. 11, figs. 1-2
1890Nautilus triangularis Foord and Crick p. 403
1956Lissoniceras mermeti Benavides-Caceres p. 435
1956Angulithes triangularis Kummel p. 452
1960Angulithes triangularis Wiedmann p. 186 figs. Pl 21, fig P; pl 22, figs H,I; pl 25, figs 8,9; pl 26, fig 4; pl 27, figs 1,2; text-figs 16-20
1992Deltoidonautilus mermeti Abdel-Gawad
2012Angulithes mermeti Ayoub-Hannaa and Fürsich p. 64 fig. 7

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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
genusNautilus
speciestriangularisMontfort 1802

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.

†Nautilus triangularis Montfort 1802
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Diagnosis
No diagnoses are available