Nierstraszellidae
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Nierstraszellidae
Nierstraszellidae is a family of chitons belonging to the order Lepidopleurida Lepidopleurida is an order of molluscs belonging to the class Polyplacophora. The order Lepidopleurida is the oldest group of polyplacophoran molluscs 560–572. https://doi.org/10.1071/IS10028 Families: * Abyssochitonidae * † Acutichitonidae .... Genera: * '' Nierstraszella'' Sirenko, 1992 References Chitons {{Chiton-stub ...
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Chitons
Chitons () are marine molluscs of varying size in the class Polyplacophora (), formerly known as Amphineura. About 940 extant and 430 fossil species are recognized. They are also sometimes known as gumboots or sea cradles or coat-of-mail shells or suck-rocks, or more formally as loricates, polyplacophorans, and occasionally as polyplacophores. Chitons have a shell composed of eight separate shell plates or valves. These plates overlap slightly at the front and back edges, and yet articulate well with one another. Because of this, the shell provides protection at the same time as permitting the chiton to flex upward when needed for locomotion over uneven surfaces, and even allows the animal to curl up into a ball when dislodged from rocks. The shell plates are encircled by a skirt known as a girdle. Habitat 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. Some species live quite high ...
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Lepidopleurida
Lepidopleurida is an order of molluscs belonging to the class Polyplacophora. The order Lepidopleurida is the oldest group of polyplacophoran molluscs 560–572. https://doi.org/10.1071/IS10028 Families: * Abyssochitonidae * † Acutichitonidae * Afossochitonidae * † Camptochitonidae * † Cymatochitonidae * † Glyptochitonidae * † Gryphochitonidae * Hanleyidae * † Heterochitonidae * † Lekiskochitonidae * Leptochitonidae Leptochitonidae is a of polyplacophoran mollusc. While the subfamily Leptochitoninae has both extant and extinct species This page features lists of extinct species, organisms that have become Extinction, extinct, either in the wild or compl ... * † Llandeilochitonidae * † Mesochitonidae * Nierstraszellidae * † Permochitonidae * Protochitonidae References {{Taxonbar, from=Q18692934 Chitons Mollusc orders ...
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