Allodesmatidae
Classification
Phylum: Mollusca
Class: Bivalvia
Order: Modiomorphida
Family: Allodesmatidae Dall, 1895
Cincinnatian Genera: Ischyrodonta
Geologic Range
Middle Ordovician – Late Silurian
Common Paleoecology
Allodesmatidae is an extinct family of stationary semi-infaunal suspension feeders
Description of the Family
- Beaks near anterior end
- Surface lacks radial ornamentation
- One or two posterior lateral teeth in each valve (or lacking)
- Anterior adductor with strong posterior myophoric ridge
- One or two cardinals in each valve
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Treatise on Invertebrate Paleontology, Part N, Vol. 1 of 3 (1969):
Treatise on Invertebrate Paleontology, Part N, Vol. 1 of 3 (1969):
- Beaks near anterior end; surface without radial ornamentation; isomyarian; one or two posterior lateral teeth in each valve, or lacking; anterior laterals lacking or short; one or two cardinals in each valve; anterior adductor with strong posterior myophoric ridge. (Some genera of this family resemble certain Modiomorphidae and Carditidae.)
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Ischyrodonta
