Polyplacophora
Also known as Polyplacophoran, Chitons, Sea cradle, chiton
Chitons () are marine molluscs of varying size in the class Polyplacophora ( ), formerly known as Amphineura. About 940 extant and 430 fossil species are recognized.
AI overview
Chitons are marine animals belonging to a group called Polyplacophora, which includes about 940 species alive today and 430 known from the fossil record. These molluscs (relatives of snails and clams) are notable for their diversity and long evolutionary history, making them important subjects for understanding how marine life has evolved and adapted to ocean environments.
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Species
chitons
Polyplacophora
CLASS
- KingdomAnimalia
- PhylumMollusca
- ClassPolyplacophora
Habitatmarine
多板纲（學名：Polyplacophora），又名石鱉綱（Loricata[1]），是软体动物门的一个纲，約有900多個物種[2]。本綱物種生活於海中，當中大部分的物种生活在潮间带和潮下带浅水区的岩石上，但也有一些物种类生活在较深海域[3]。其特徵為，內圈一般都有八片緊鄰排列之硬殼，外圈則是肌肉組織。多板纲包括各种石鳖，常可在退潮后的潮间带岩石上见到。可以食用。 分類 現時本綱物種的分類基本上依從Sirenko (2006)的分類，大致如下[4]： 多板纲 Polyplacophora de Blainville, 1816 古石鱉亞綱 Paleoloricata Bergenhayn, 1955 Order Chelodida Bergenhayn, 1943 Order Septemchitonida Bergenhayn, 1955 新石鱉亞綱 Neoloricata Bergenhayn, 1955 石鳖目 Chitonida Thiele, 1909：包括多板纲中绝大多数的种类，例如：花斑锉石鳖。 毛肤石鳖亚目 Acanthochitonina Superfamily Cryptoplacoidea H. Adams & A. Adams, 1858 毛肤石鳖科 Acanthochitonidae Pilsbry, 1893 Family Cryptoplacidae（英语：Cryptoplacidae） H. Adams & A. Adams, 1858 Family Hemiarthridae Sirenko, 1997 Family Makarenkoplacidae Sirenko & Dell'Angelo, 2015 † Superfamily Mopalioidea Dall, 1889 Family Choriplacidae Ashby, 1928 Family Lepidochitonidae Iredale, 1914 鬃毛石鳖科 Mopaliidae Dall, 1889 Family Schizoplacidae Bergenhayn, 1955 Family Tonicellidae Simroth, 1894 石鳖亞目 Chitonina（英语：Chitonina） Superfamily Chitonoidea Rafinesque, 1815 Family Callistoplacidae Pilsbry, 1893 Family Callochitonidae Plate, 1901 Family Chaetopleuridae（英语：Chaetopleuridae） Plate, 1899 石鱉科 Chitonidae Rafinesque, 1815 薄石鱉科 Ischnochiton
via GBIF
Research
240 papersArticle
18 sectionsContents
- Habitat
- Morphology
- Shell
- Girdle ornament
- Internal anatomy
- Senses
- Homing ability
- Culinary uses
- Life habits
- Reproduction and life cycle
- Predators
- Evolutionary origins
- History of scientific investigation
- Etymology
- Taxonomy
- Phylogeny
- References
- External links
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 sea cradles, coat-of-mail shells, or suck-rocks, or more formally as loricates, polyplacophorans, and occasionally as polyplacophores.