| Rostroconchia | ||
| Mollusca | Ribeirioida |
Rostroconchia
└─► |
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None |
Mollusca |
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Abbreviated Dendrogram
Mollusca
├─Aculifera
└─Conchifera
╞═Tryblidiida (Monoplacophora)
│ └─Cephalopoda
╘═Helcionelloida
├─Rostroconchia
│ ├─┬─Conocardiida
│ │ ╘═╤═Ribeirioida
│ │ └─Scaphopoda
│ └─Bivalvia
└─Gastropoda
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Contents
Overview |
Taxa on This Page
The following list of genera is from the Systema Naturae 2000 Rostroconchia page on Ribeirioida
Genus Anisotechnophorus
Genus Apoptopegma
Stratigraphic range: Early Ordovician
Genus Cymatopegma
Stratigraphic range: Furongian
Genus Heraultipegma
Stratigraphic range: Early Cambrian
Genus Ischyrinia
Stratigraphic range: Middle Ordovician to Late Ordovician
Genus Kimopegma
Stratigraphic range: Furongian
Genus Myocaris
Stratigraphic range: Middle Ordovician
Genus Oepikila
Stratigraphic range: Furongian
Genus Pauropegma
Stratigraphic range: Early Ordovician
Genus Pinnocaris
Stratigraphic range: Furongian to Late Ordovician
Genus Pleuropegma
Genus Ptychopegma
Stratigraphic range: Early Ordovician
Genus Ribeiria
Stratigraphic range: Furongian to Middle Ordovician
Genus Technophorus
Stratigraphic range: Early Ordovician to Late Ordovician
Genus Tolmachovia
Stratigraphic range: Early Ordovician to Middle Ordovician
Genus Wanwania
Range: Early Cambrian to Llandovery
Phylogeny: Rostroconchia : Conocardiida + (Scaphopoda + *)
Comments: may or may not be paraphyletic group ancestral to extant Scaphopods (see comments at the Beak-Shells' Legacy). MAK120614
page by M. Alan Kazlev (Creative Commons License)
page uploaded 8 December 2002, checked ATW050604, last modified MAK120614 Creative Commons Attribution