Name(s) in cluster
| †Sowerbyceras Parona & Bonarelli 1895 | urn:lsid:organismnames.com:name:3861483 |
| †Sowerbyceras Parona & Bonarelli 1897 | urn:lsid:organismnames.com:name:3849735 |
| †Sowerbyceras | urn:lsid:organismnames.com:name:1722688 |
Microreference
686
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