Thylacodes arenarius
Thylacodes arenarius is a species of sea snail, a marine gastropod mollusk in the family Vermetidae, the worm snails or worm shells.
Description
Shells of T. arenarius are irregular, and can reach a length of about.
The diameter of the round opening reach. The inner surface is smooth and shiny. These shells are cemented onto a hard surface and resemble the calcareous tubes of certain marine worms, for example worms in the polychaete family Serpulidae. The visible part of the body is red with cream markings. The foot of this mollusk is atrophied and it has lost its function of movement.
Distribution
This species can be found in the Mediterranean Sea - Eastern Basin and in the North Atlantic Ocean - European waters.
Synonyms
Lemintina arenaria Lemintina selecta Lemintina selecta var. arborea Monterosato, 1884Serpula arenaria Linnaeus, 1758 Serpulorbis arenarius Serpulorbis polyphragma Sasso, 1827Serpulus arenarius var. gracilior Mörch, 1859 Thylacodus polyphragma Thylacodus polyphragma var. aletes Mörch, 1862 Vermetus arenarius Vermetus arenarius var. minor Sacco, 1896 Vermetus dentifer Lamarck, 1818 Vermetus gigas Bivona in Philippi, 1836Vermetus gigas f. conglobatus Monterosato, 1892Vermetus gigas f. destitutus Monterosato, 1892Vermetus gigas var. angulatus Monterosato, 1880 Vermetus gigas var. conglobata Monterosato, 1892 Vermetus gigas var. destituta Monterosato, 1892 Vermetus gigas var. minor Pallary, 1912 Vermetus gigas var. rufa Monterosato, 1892 Vermetus gigas var. typica Monterosato, 1892 Vermetus horridus Monterosato, 1892Vermetus horridus f. asperrimus Monterosato, 1892Vermetus horridus var. asperrima Monterosato, 1892 Vermetus horridus var. minor Pallary, 1938 Vermetus polyphragma Vermetus polyphragma f. anguinus Monterosato, 1892Vermetus polyphragma f. major Monterosato, 1892Vermetus polyphragma f. tortuosus Monterosato, 1892Vermetus polyphragma var. anguina Monterosato, 1892 Vermetus polyphragma var. major Monterosato, 1892 Vermetus polyphragma var. tortuosa Monterosato, 1892 Vermetus scopulosus Monterosato, 1892Vermetus scopulosus f. discoideus Monterosato, 1892 Vermetus selectus Monterosato, 1878Vermetus selectus f. ramosus Monterosato, 1892Vermetus selectus var. arborea Monterosato, 1892 Vermetus selectus var. ramosa Monterosato, 1892 Vermetus verrucosus Monterosato, 1892Vermicularia lineolata Gravenhorst, 1831