Bivalvia - Arcida - Parallelodontidae

Parent taxon: Grammatodontinae according to H. E. Vokes 1980

Sister taxa: Aptolinter, Catella, Catellini, Cryptochasma, Cucullopsis, Gilbertwhitea, Grammatodontini, Nanonavis, Nemodon, Nemodontini, Nordenskjoeldia, Notogrammatodon, Porterius, Pseudogrammatodon, Pseudomacrodon, Stenocolpus, Torinosucatella

Subtaxa: Grammatodon (Cosmetodon), Grammatodon (Indogrammatodon), Grammatodon concinnus, Grammatodon sulcatus, Grammatodon tripartitus

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Ecology: facultatively mobile low-level epifaunal suspension feeder