Clydonautiloidea
The Clydonautiloidea are a superfamily within the nautiloid order Nautilida characterized by smooth, generally globular, shells with nearly straight sutures, in early forms, but developing highly differentiated sutures in some later forms. Where known, the siphuncle tends to be central to subcentral.
| Clydonautiloidea Temporal range: | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Nautiloidea |
| Order: | Nautilida |
| Superfamily: | †Clydonautiloidea Hyatt in Zittel 1900 |
| Families | |
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See text | |
| Synonyms | |
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Clydonautilaceae | |
The Clydonautiloidea, name based on Hyatt's Clydonautilidae of 1900, are more or less the Liroceratina of Shimansky 1962.
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