Turritella terebra (Linnaeus, 1758)
Screw turret
Screw turritella,  torotot,  balisoso,  libod-libod,  Screw turret
Turritella terebra
photo by Batoy, Corazon B.

Family:  Turritellidae (turret shells)
Max. size:  17 cm SHL (male/unsexed)
Environment:  benthic; marine; depth range 0 - 30 m
Distribution:  Indo-West Pacific: from East Africa, including Red Sea, to Melanesia; north to Taiwan Province of China and south to central Queensland.
Diagnosis:   
Biology:  Inhabit sandy and muddy bottoms in subtidal (Ref. 85382) and intertidal areas (Ref. 128042).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans:  harmless
Country info:  Known mostly from Manila Bay (Ref. 821), and Capiz, Panay (Ref. 128042) but occurs throughout the Philippines (Ref. 821). Regularly collected by gleaning (Ref. 128042) and marketed in the northern Philippines (Ref. 349). C: Refs. 821, 86518, 128042; M: 349; O: Ref. 821.

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