Family : Dentaliidae
The Antalis inaequicostata is an unusual marine mollusc present in the muddy, sandy or detrital bottoms of Mediterranean and adjacent Atlantic waters. The shell, elephant tusk shaped, up to 6 cm long, has 9-14 irregular ribs alternated with other smaller ones. It can take pinkish or yellowish colours. The foot of the animal is cilindrical, with two lateral forward expansions to better enter the substratum. The head, indistinct, has long filaments © G. Mazza
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