Entoliidae
| Entoliidae Temporal range:
| |
|---|---|
| |
| Entolium sp. from Aalensis Zone, Luxembourg | |
Scientific classification 
| |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Pectinida |
| Superfamily: | Pectinoidea |
| Family: | Entoliidae Korobkov, 1960 |
| Genera | |
|
5, see text | |
The Entoliidae, also referred to as the entoliids, are a taxonomic family of saltwater clams, marine bivalve mollusks in the order Pectinida. They are related to and are considered the ancestors of modern scallops. In the geological record the family contains at least seven species in five different genera, though only one is extant and it is very rare and cryptic, inhabiting the Caribbean and central west Pacific Ocean in small, disjointed populations.[1]
A significant morphological feature lacking in the entoliids but present in modern scallops is the ctenolium, a comb-like structure under the anterior auricle through which scallops are able to produce a byssal thread for attachment to a substrate. The entoliids did not/ do not secrete a byssal thread.
Genera and species
Genera and species within the family Entoliidae include:
- Entolium Meek 1865
- Entolium fossatum Marwick 1953
- Entolium utokokense Imlay 1961
- Pectinella
- Pectinella sigsbeei (Dall, 1886)
- Pectinella aequoris Dijkstra, 1991
- Pernopecten Winchell 1865
- Somapecten
- Syncyclonema Meek 1864
- Syncyclonema travisanus Stephenson 1941
References
- ^ Sandra E. Shumway; Jay G.J. Parsons (22 September 2011). Scallops: Biology, Ecology and Aquaculture: Biology, Ecology and Aquaculture. Elsevier. p. 123. ISBN 978-0-08-048077-0.
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