Morum oniscus (Atlantic morum snail) (St. Thomas, Virgin Islands) 2

Descrição:

Description: English: Morum oniscus (Linnaeus, 1767) - Atlantic morum snail shell (apertural view) The gastropods (snails & slugs) are a group of molluscs that occupy marine, freshwater, and terrestrial environments. Most gastropods have a calcareous external shell (the snails). Some lack a shell completely, or have reduced internal shells (the slugs & sea slugs & pteropods). Most members of the Gastropoda are marine. Most marine snails are herbivores (algae grazers) or predators/carnivores. The Atlantic morum snail is a harpid gastropod. Harpids are predators on arthropods. Classification: Animalia, Mollusca, Gastropoda, Harpidae Locality: Brewers Bay, St. Thomas, western Virgin Islands See info. at: en.wikipedia.org/wiki/Morum_oniscus. Date: 29 October 2020, 15:33:07. Source: https://www.flickr.com/photos/47445767@N05/50602017973/. Author: James St. John.