- Nuculanoida
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Nuculanoida 
Shells of Acila cobboldiae
family NuculidaeScientific classification Kingdom: Animalia Phylum: Mollusca Class: Bivalvia Subclass: Protobranchia Order: Nuculanoida Families See text.
Nuculanoida is an order of bivalves. It belongs to the subclass Protobranchia. They are distinguished from other bivalves by the presence of relatively primitive, "protobranchiate" gills, with a row of short teeth along the hinge of the shell. The shells are often nacreous.[1]
Families
- Bathyspinulidae Coan & Scott, 1997
- Lametilidae
- Malletiidae H. and A. Adams, 1858
- Neilonellidae Schileyko, 1989
- Nuculanidae Meek, 1864
- Sareptidae Stoliczka, 1871
- Siliculidae Allen and Sanders, 1973
- Tindariidae Verrill and Bush, 1897
- Yoldiidae Habe, 1977
- Praenuculidae Mcalester, 1969 (?)
- Pristiglomidae Sanders and Allen, 1973 (?)
References
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