Littoraria angulifera (mangrove periwinkle snail shell) (Sanibel Island, Florida, USA) 1 (49763985051)

Description:

Description: Littoraria angulifera (Lamarck, 1822) - mangrove periwinkle snail shell, modern (latest Holocene) 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. Classification: Animalia, Mollusca, Gastropoda, Littorinidae Locality: Lighthouse Point beach, southern shore of the eastern tip of Sanibel Island, Gulf of Mexico coast of southern Florida, USA See info. at: en.wikipedia.org/wiki/Littoraria_angulifera. Date: 12 April 2020, 02:22. Source: Littoraria angulifera (mangrove periwinkle snail shell) (Sanibel Island, Florida, USA) 1. Author: James St. John.