WebPhylum Mollusca, Class Gastropoda, Subcl. Vetigastropoda, Family Trochidae Brown turban snail. Conical rounded shell to 30 mm, light brown but usually encrusted with dark maroon non-coralline red algae. Umbilicus closed (arrow); low spiral ridge around center of base ends in a notch & tooth on inner edge of aperture (inset). WebChitons (Phylum Mollusca, Class Amphineura) Chitons are relatively common, though largely unnoticed occupants of the intertidal zone on most of the world's shores. Their distinctive feature is a shell composed of …

Chiton - Wikipedia

WebChitons, the eight-shelled molluscs close No. of described species: 650-800 First appearance: Late Cambrian Habitats: marine, mostly intertidal Shapes: flat, with eight-valved shells Feeding types: carnivores and grazers … WebApr 7, 2024 · The Phylum Mollusca Consists of Eight Classes, They are: The class Monoplacophora was discovered in 1977. The worm-like animals found in class … greatschool frisco

15.8: Phylum Mollusca - Geosciences LibreTexts

WebPhylum Mollusca, Class Polyplacophora, Order Chitonida, Family Lepidochitonidae. Oval, somewhat flattened chiton to 50 mm long; girdle & shell valves superficially smooth, but … A chiton creeps along slowly on a muscular foot. It has considerable power of adhesion and can cling to rocks very powerfully, like a limpet. Chitons are generally herbivorous grazers, though some are omnivorous and some carnivorous. They eat algae, bryozoans, diatoms, barnacles, and sometimes bacteria by … See more Chitons are marine molluscs of varying size in the class Polyplacophora (/ˌpɒlipləˈkɒfərə/), formerly known as Amphineura. About 940 extant and 430 fossil species are recognized. They are also … See more Similar to many species of saltwater limpets, several species of chiton are known to exhibit homing behaviours, journeying to feed … See more Chitons are eaten in several parts of the world. This includes islands in the Caribbean, such as Trinidad, Tobago, The Bahamas, … See more Chitons live worldwide, from cold waters through to the tropics. They live on hard surfaces, such as on or under rocks, or in rock crevices. See more Shell All chitons bear a protective dorsal shell that is divided into eight articulating aragonite valves embedded in the tough muscular girdle that … See more Chitons have a relatively good fossil record, stretching back to the Cambrian, with the genus Preacanthochiton, known from fossils found … See more Chitons were first studied by Carl Linnaeus in his 1758 10th edition of Systema Naturae. Since his description of the first four species, chitons have been variously classified. They … See more Webchitons- marine animals with 8 flat shells that overlap. gastropods- snails and slugs. bivalves- have a two-part, hinged shell; scallops and clams. cephalopods- squids and octopuses. A (n) _____ is a body cavity that is lined with mesoderm and partly with endoderm. pseudocoelom. floral chintz pillows