Chiton - Wikipedia
The Greek-derived name Polyplacophora comes from the words poly-(many), plako-(tablet), and -phoros (bearing), a reference to the chiton's eight shell plates.
The Polyplacophora - University of California Museum of …
The polyplacophora. Lophotrochozoa : The PolyplacophoraChitons, the eight-shelled molluscs. 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.
28.3F: Classification of Phylum Mollusca - Biology LibreTexts
2023年10月31日 · Mollusks can be segregated into seven classes: Aplacophora, Monoplacophora, Polyplacophora, Bivalvia, Gastropoda, Cephalopoda, and Scaphopoda. These classes are distinguished by, among other criteria, the presence and types of shells they possess.
ADW: Polyplacophora: INFORMATION
The class Polyplacophora extends back to the Late Cambrian Period with the early genus Matthevia. Some fossil species had only seven plates. Examples of the order Paleoloricata are found from the Late Cambrian through the Late Cretaceous.
Class Polyplacophora (Chitons) Information - Earth Life
2020年8月16日 · Polyplacophorans are a class of the phylum Mollusca and are commonly known as Chitons. They are easily distinguishable from the superficially similar Limpets (which are part of the Gastropoda) by the fact that their shell is composed of eight separate plates, rather than being just one piece.
Chiton | Marine, Polyplacophora, Shell | Britannica
The approximately 600 species are usually placed in the class Placophora, Polyplacophora, or Loricata (phylum Mollusca).
A mitogenomic phylogeny of chitons (Mollusca: Polyplacophora)
2020年2月5日 · Chitons (Polyplacophora) are exclusively marine mollusks inhabiting a wide range of habitats from the intertidal zone to the deep sea. They generally display a conserved morphology with eight dorsal (usually overlapping) shell plates or valves, surrounded by a girdle that can bear ornamentations [1].
Chitons - Class Polyplacophora - The Australian Museum
Chitons - Class Polyplacophora. Updated. 05/04/22. Read time. A minute. Chitons are molluscs commonly found along rocky shores, although they may be difficult to find at first. Chitons tend to hide in crevices and underneath boulders, and are …
Polyplacophora: from Physsalus , Oscabrion, to Chiton - Springer
2022年8月23日 · The Polyplacophora, commonly called chitons, are strictly benthic mollusks, exclusively marine, characterized by a flattened body with bilateral symmetry, presently covered by a shell formed by eight superimposed dorsal plates, imbricate and articulated.
Polyplacophora (Chitons) - Encyclopedia.com
Chitons are distinct in possessing eight (sometimes seven) overlapping transverse shell plates (hence, the name Polyplacophora, which means "bearer of many plates") that permit the ovoid, dorsoventrally reduced body to conform to the irregular, …