| Frenulina Temporal range:
| |
|---|---|
| |
| Frenulina sanguinolenta, internal view, 11mm wide | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Brachiopoda |
| Class: | Rhynchonellata |
| Order: | Terebratulida |
| Family: | Frenulinidae |
| Genus: | Frenulina Dall, 1894 |
| Species | |
Frenulina is an extant genus of brachiopods, known from shallow waters in the warmer parts of the Pacific and Indian Oceans. Its shell is biconvex, rounded pentagonal in profile, and dependent on the species scarlet with creamy white radiating stripes of quickly varying width, beige or seldom entirely white. It lives attached by a stalk to a hard underground.[1]
- ^ Bittner, Maria A. (2007). "Shallow water brachiopod species in New Caledonia". In Payri, Claude; Richer de Forges, Bertrand (eds.). Compendium of Marine Species from New Caledonia. Institut de Recherche pour le Developpement - Centre Noumea. p. 171.