Bivalvia - Arcida - Parallelodontidae
Alternative spellings: Grammatodon (Nordenskjoeldia), Nordenskjoldia
Parent taxon: Grammatodon according to E. Gliozzi and A. Malatesta 1983
See also Bouchet et al. 2010, Sepkoski 2002 and Vokes 1980
Sister taxa: Grammatodon (Grammatodon), Grammatodon (Indogrammatodon), Grammatodon (Lamellelodon), Grammatodon (Nanonavis), Grammatodon concinnus, Grammatodon egortinus, Grammatodon formosissimum, Grammatodon inornata, Grammatodon insons, Grammatodon malayensis, Grammatodon sulcatus, Grammatodon toyorensis, Grammatodon tripartitus
Subtaxa: Grammatodon (Nordenskjoldia) besairiei Nordenskjoldia natalensis
Distribution:
• Quaternary of Djibouti (1 collection)
• Cretaceous of Antarctica (3), Mozambique (3), New Zealand (2)
Total: 9 collections each including a single occurrence