Definition of Acanthonautilus. Meaning of Acanthonautilus. Synonyms of Acanthonautilus

Here you will find one or more explanations in English for the word Acanthonautilus. Also in the bottom left of the page several parts of wikipedia pages related to the word Acanthonautilus and, of course, Acanthonautilus synonyms and on the right images related to the word Acanthonautilus.

Definition of Acanthonautilus

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Meaning of Acanthonautilus from wikipedia

- Acanthonautilus is an extinct genus in the nautilid family Solenochildae (Aipocerataceae) from the Upper Mississippian of North America and equivalent...
- Mississippian Acanthonautilus, prin****lly through evolutionary changes in the siphuncle. The siphuncle in both Solenochilus and Acanthonautilus is ventral...
- and so on, with some genera, such as the Permian Cooperoceras and Acanthonautilus, developing large lateral spikes (Fenton and Fenton 1958). Despite...
- umbilical spines by maturity. The included genera Solenochilus and Acanthonautilus are quite similar in external form but differ in their siphuncles....
- Pennsylvanian – Lower Permian Solenochilus and the Upper Mississippian Acanthonautilus, both which belong to the superfamily Aipocerataceae: Permonautilus...
- Note that Allonautilus and Nautilus are the only extant genera. †Acanthonautilus †Acaroceras †Acleistoceras †Acrosphaerorthoceras †Actinoceras †Actinomorpha...