Terebratulina retusa (Linnaeus, 1758),
| Phylum: | Brachiopoda Duméril, 1806 |
| Class: | Rhynchonellata Williams, Carlson, Brunton, Holmer & Popov, 1996 |
| Order: | Terebratulida Waagen, 1883 |
| Family: | Cancellothyrididae Thomson, 1926 |
| Genus: | Terebratulina d'Orbigny, 1847 |
| Synonyms: | Terebratulina caputserpentis (sensu Linnaeus, 1767), Anomia caputserpentis sensu Linnaeus, 1767, Anomia retusa Linnaeus, 1758 |
