| Gastropoda | ||
| Mollusca | Orthogastropoda |
Gastropoda
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Abbreviated Dendrogram
Mollusca
├─Aculifera
└─Conchifera
╘═Helcionelloida
└─┬─Bellerophontoidea
└─Gastropoda (crown group)
╞═Eogastropoda (paraphyletic or polyphyletic)
│ ├?─Macluritoidea
│ ├?─Euomphaloidea
│ └─Patellogastropoda
└─Orthogastropoda
├─Vetigastropoda
├─Neritimorpha
└─┬─Caenogastropoda
└─Heterobranchia
├─Opisthobranchia
└─Pulmonata
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Contents
Index |
Taxa on This Page
from the Late Carboniferous (Dolgellian)
Gastropoda : Eogastropoda + * : Murchisoniida ::: Neritopsida + Vetigastropoda + Cocculiniformia (may be polyphyletic?) + Apogastropoda
Characters: $ Plexo(rhipido) glessate buccal apparatus; pin-hole eyes; $ osphiadia with sensory cells; $ statocysts ventrally situated (all from Haszprunar 1988 p.9],
page uploaded 6 March 2003
checked ATW050825
original material Creative Commons Attribution M. Alan Kazlev
this material may be freely used
all other material © original authors or sources