| Metazoa | ![]() |
Cyrtosoma |
| MOLLUSCA | Cyrtosoma |
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MOLLUSCA BASAL MOLLUSCA |--Diasoma | |--Rostroconchia | `--BIVALVIA | |--Protobranchia | `--HETERODONTA `--CYRTOSOMA |--+--Scaphopoda | `--Cephalopoda | |--Nautiloidea | `--Neocephalopoda | |--Ammonoidea | `--Coleoidea | |--Decapodiformes | `--Vampyropoda `--GASTROPODA |--Eogastropoda `--APOGASTROPODA |--Caenogastropoda `--HETEROBRANCHIA |--Opisthobranchia `--PULMONATA |
Unit ContentsCyrtosoma |
Page Contents |
Cyrtosoma is the crown group slugs + squids. This page is a placeholder -- while we try to come up with really convincing reasons why we chose the Cyrtosoma hypothesis of molluscan relationships.
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