PRESERVED_SPECIMEN; ; ; 70% alc.->dry; Det. by: Johanna M. Reinhart; Measured, Strength in Numbers (2014); Gray Museum; IZ number 31949; lot count 32; original catalog number GM 3125; 1969-09-25T00:00:00Z
(biggest image of) Individuals of coastal and estuarine mollusk Littoraria angulifera (Lamarck, 1822)[1] attached to a floating board at the mouth of the "rio do peixe", at Perequê beach, municipality of Guarujá, São Paulo, southeastern region of Brazil; Atlantic Ocean. Photo taken on 1/20/2020.
Summary[edit] Description: Tectarius muricatus (Linnaeus, 1758) - abapertural view of a beaded periwinkle snail shell, 1.7 cm tall. Family Littorinidae - the periwinkles are algae/bacteria grazers in the high intertidal to supratidal zones. Date: 16 March 2011, 20:30. Source: Tectarius muricatus (beaded periwinkle) (San Salvador Island, Bahamas) 1. Author: James St. John.