Nuculanida is an order of very small saltwater clams, marine bivalve molluscs in the subclass Protobranchia.
Nuculanida | |
---|---|
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Bivalvia |
Subclass: | Protobranchia |
Order: | Nuculanida Carter, D. C. Campbell & M. R. Campbell, 2000 |
Families | |
See text | |
Synonyms | |
Nuculanoida |
Description
editThese bivalves are distinguished by the presence of relatively primitive, "protobranchiate" gills. There are a row of short teeth along the hinge of the shell. The shells are often internally nacreous.[1]
Families
editFamilies within the order Nuculanida include:
- Bathyspinulidae Coan & Scott, 1997
- Lametilidae
- Malletiidae H. and A. Adams, 1858
- Neilonellidae Schileyko, 1989
- Nuculanidae H. Adams & A. Adams, 1858
- 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
edit- ^ Barnes, Robert D. (1982). Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 430. ISBN 0-03-056747-5.