舌形动物类(学名:Pentastomida),又称五口动物类,是动物界的一个分类。属于无脊椎动物,介乎于环节动物节肢动物之间,均为寄生性动物。其特征是体软、扁而长,无色,透明,无足。身长从数毫米到十数厘米,体表分近百个清晰的节段,内部却并不分节。舌形动物均为雌雄异体专性寄生物[2]:牠们的身体没有呼吸系统排泄系统英语Excretory system循环系统,虫体前端口部突出,呈椭圆形,周围有两对可伸缩的钩,用以附着在寄主组织上。 本物种的名称是因为从其部分物种的外型酷似脊椎动物的舌头,因而为名;而其学名及另一名称“五口动物”的来源,则是因为其口器的五个钩,好像有五个口一样,因而为名。这五个“钩”,其实只有一个是真的口器、其余四个只是颚足。过往由于对本分类物种的分类不明,单单从外形来判断,所以将其归类到门一层。后来到了2001年,研究证据显示五口动物实为退化了的寄生性节肢动物,本物种生物跟其他物种的关系得到确认,所以被降至归入成为颚足纲的一员,是为舌形亚纲[3]。随着颚足动物的分类被重组,舌形亚纲亦被重新分类,成为了寡甲总纲鱼介形纲的成员[4][5][6][7]

Quick Facts 科学分类, 目[1] ...
舌形亚纲
化石时期:511–0 Ma
寒武纪-现代
一只雌性的Linguatula serrata
科学分类 编辑
界: 动物界 Animalia
门: 节肢动物门 Arthropoda
亚门: 甲壳亚门 Crustacea
纲: 鱼介形纲 Ichthyostraca
亚纲: 舌形亚纲 Pentastomida
Diesing英语K. M. Diesing, 1836
[1]
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现时本分类有物种约130个[8],皆为被动式寄生物,其部分解剖结果为退化性。成年的舌虫长约1至14厘米(0.4至5.5英寸) ,多数于宿主的呼吸系统黏付着。

分类

以下为这是马丁和戴维斯在2001年成立的分类[9],将五口动物置于甲壳亚门颚足纲。以下包含现存的目、超科、科、属和种[1]

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Armillifer armillatus Wyman, 1848, a 4 cm individual collected from the respiratory system of a python, Python sebae. Specimen deposited in the Museum für Naturkunde Berlin
Thumb
Female (right) and male (left) Armillifer sp.
  • 头行目 Cephalobaenida Heymons, 1935
  • Cephalobaenidae Heymons, 1922
  • Cephalobaena Heymons, 1922
  • Cephalobaena tetrapoda Heymons, 1922
  • Linguatuloidea
  • Linguatulidae Haldeman, 1851
  • Linguatula Frölich, 1789
  • Linguatula arctica Riley, Haugerud & Nilssen, 1987
  • Linguatula multiannulata Haffner & Rack in Haffner, Rack & Sachs, 1969
  • Linguatula recurvata (Diesing, 1850)
  • Linguatula serrata Frölich, 1789
  • Neolinguatula Haffner & Rack in Haffner, Rack & Sachs, 1969
  • Neolinguatula nuttalli (Sambon, 1922)
  • Subtriquetridae Fain, 1961
  • Subtriquetra Sambon, 1922
  • Subtriquetra megacephalum (Baird, 1853)
  • Subtriquetra rileyi Junker, Boomker & Booyse, 1998
  • Subtriquetra shipleyi Hett, 1924
  • Subtriquetra subtriquetra (Diesing, 1836)
  • 孔头舌虫总科 Porocephaloidea
  • 孔头舌虫科 Porocephalidae Sambon, 1922
  • Armillifer aborealis Riley & Self, 1981
  • Armillifer agkistrodontis Self & Kuntz, 1966
  • Armillifer armillatus (Wyman, 1845)
  • Armillifer australis Heymons, 1935
  • Armillifer grandis (Hett, 1915)
  • Armillifer mazzai (Sambon, 1922)
  • Armillifer moniliformis (Diesing, 1836)
  • Armillifer yoshidai Kishida, 1928
  • Cubirea Kishida, 1928
  • Cubirea annulata (Baird, 1853)
  • Cubirea pomeroyi (Woodland, 1921)
  • Elenia Heymons, 1932
  • Elenia australis Heymons, 1932
  • Gigliolella Chabaud & Choquet, 1954
  • Gigliolella brumpti (Giglioli, 1922)
  • Kiricephalus Sambon, 1922
  • Kiricephalus clelii Riley & Self, 1980
  • Kiricephalus coarctatus (Diesing, 1850)
  • Kiricephalus constrictor Riley & Self, 1980
  • Kiricephalus gabonensis Riley & Self, 1980
  • Kiricephalus pattoni (Stephens, 1908)
  • Kiricephalus tortus (Shipley, 1898)
  • Parasambonia Stunkard & Gandal, 1968
  • Parasambonia bridgesi Stunkard & Gandal, 1968
  • Parasambonia minor Riley & Self, 1982
  • Porocephalus Humboldt, 1812
  • Porocephalus basiliscus Riley & Self, 1979
  • Porocephalus benoiti Fain, 1960
  • Porocephalus bifurcatus
  • Porocephalus clavatus (Wyman, 1845)
  • Porocephalus crotali Humboldt, 1812
  • Porocephalus dominicana Riley & Walters, 1980
  • Porocephalus stilesi Sambon in Vaney & Sambon, 1910
  • Porocephalus subuliferum (Leuckart, 1860)
  • Porocephalus taiwana Qiu, Ma, Fan & Lu, 2005
  • Porocephalus tortugensis Riley & Self, 1979
  • Waddycephalus Sambon, 1922
  • Waddycephalus calligaster Riley & Self, 1981
  • Waddycephalus komodoensis Riley & Self, 1981
  • Waddycephalus longicauda Riley & Self, 1981
  • Waddycephalus porphyriacus Riley & Self, 1981
  • Waddycephalus punctulatus Riley & Self, 1981
  • Waddycephalus radiata Riley & Self, 1981
  • Waddycephalus scutata Riley & Self, 1981
  • Waddycephalus superbus Riley & Self, 1981
  • Waddycephalus teretiusculus (Baird, 1862)
  • Waddycephalus vitiensis Heymons, 1932
  • Sebekidae Sambon, 1922
  • Alofia Giglioli in Sambon, 1922
  • Alofia ginae Giglioli in Sambon, 1922
  • Alofia indica (von Linstow, 1906)
  • Alofia merki Giglioli 'in Sambon, 1922
  • Alofia nilotici Riley & Huchzermeyer, 1995
  • Alofia parva Riley & Huchzermeyer, 1995
  • Alofia platycephalum (Lohrmann, 1889)
  • Alofia simpsoni Riley, 1994
  • Alofia travassosi (Heymons, 1932)
  • Diesingia Sambon, 1922
  • Diesingia kachugensis (Shipley, 1910)
  • Diesingia megastomum (Diesing, 1836)
  • Selfia Riley, 1994
  • Selfia porosus Riley, 1994
  • Leiperia Sambon, 1922
  • Leiperia australiensis Riley & Huchzermeyer, 1996
  • Leiperia cincinnalis (Sambon in Vaney & Sambon, 1910)
  • Leiperia gracilis (Diesing, 1836)
  • Sambonia Noc & Giglioli, 1922
  • Sambonia clavata (Lohrmann, 1889)
  • Sambonia parapodum Self & Kuntz, 1966
  • Sambonia solomenensis (Self & Kuntz, 1957)
  • Sambonia varani (Self & Kuntz, 1957)
  • Sambonia wardi (Sambon in Vaney & Sambon, 1910)
  • Agema Riley et al., 1997
  • Agema silvaepalustris Riley et al., 1997
  • Pelonia Junker & Boomker, 2002
  • Pelonia africana Junker & Boomker, 2002
  • Sebekia Sambon, 1922
  • Sebekia cesarisi Giglioli in Sambon, 1922
  • Sebekia divestei Giglioli in Sambon, 1922
  • Sebekia johnstoni Riley, Spratt & Winch, 1990
  • Sebekia microhamus Self & Rego, 1985
  • Sebekia minor (Wedl, 1861)
  • Sebekia mississippiensis Overstreet, Self & Vliet, 1985
  • Sebekia multiannulata Riley, Spratt & Winch, 1990
  • Sebekia novaeguineae Riley, Spratt & Winch, 1990
  • Sebekia okavangoensis Riley & Huchzermeyer, 1995
  • Sebekia oxycephalum (Diesing, 1836)
  • Sebekia purdieae Riley, Spratt & Winch, 1990
  • Sebekia trinitatis Riley, Spratt & Winch, 1990
  • Raillietiellida Almeida & Christoffersen, 1999
  • Raillietiellidae Sambon, 1922
  • Raillietiella Sambon, 1910
  • Raillietiella aegypti Ali, Riley & Self, 1982
  • Raillietiella affinis Bovien, 1927
  • Raillietiella agcoi Tubangui & Masiluñgan, 1936
  • Raillietiella ampanihyensis Gretillat, Brygoo & Domergue, 1962
  • Raillietiella amphiboluri Mahon, 1954
  • Raillietiella belohaensis McAllister, Riley, Freed & Freed, 1993
  • Raillietiella bicaudata Heymons & Vitzthum, 1935
  • Raillietiella boulengeri (Vaney & Sambon, 1910)
  • Raillietiella bufonis Ali, Riley & Self, 1982
  • Raillietiella cartagenensis Ali, Riley & Self, 1985
  • Raillietiella chamaeleonis Gretillat & Brygoo, 1959
  • Raillietiella colubrilineati (Leuckart, 1860)
  • Raillietiella congolensis Fain, 1961
  • Raillietiella crotali Ali, Riley & Self, 1984
  • Raillietiella freitasi (Motta & Gomes, 1968)
  • Raillietiella furcocercum (Diesing, 1836)
  • Raillietiella gehyrae Bovien, 1927
  • Raillietiella gigliolii Hett, 1924
  • Raillietiella gowrii Rajalu & Rajendran, 1970
  • Raillietiella hebitihamata Self & Kuntz, 1960
  • Raillietiella hemidactyli Hett, 1934
  • Raillietiella indica Gedoelst, 1921
  • Raillietiella kochi Heymons, 1926
  • Raillietiella mabuiae Heymons, 1922
  • Raillietiella maculatus Rao & Hiregaudar, 1962
  • Raillietiella maculilabris Ali, Riley & Self, 1984
  • Raillietiella madagascariensis McAllister et al., 1993
  • Raillietiella mediterranea (Hett, 1915)
  • Raillietiella monarchus Ali, Riley & Self, 1984
  • Raillietiella morenoi Abreu-Acosta et al., 2006
  • Raillietiella mottae Almeida, Freire & Lopes, 2008
  • Raillietiella namibiensis Riley & Heideman 1998
  • Raillietiella orientalis (Hett, 1915)
  • Raillietiella piscator Nair, 1967
  • Raillietiella rileyi Krishnasamy et al., 1995
  • Raillietiella schoutedeni Fain, 1960
  • Raillietiella scincoides Ali, Riley & Self, 1984
  • Raillietiella spiralis Hett, 1924
  • Raillietiella teagueselfi Riley, McAllister & Freed, 1988
  • Raillietiella tetrapoda (Gretillat, Brygoo & Domergue, 1962)
  • Raillietiella trachea Riley, Oaks & Gilbert, 2003
  • Raillietiella venteli (Motta, 1965)
  • Yelirella Spratt, 2010
  • Yelirella petauri (Spratt, 2010)
  • Reighardiida Almeida & Christoffersen, 1999
  • Reighardiidae Heymons, 1926
  • Hispania Martínez et al., 2004
  • Hispania vulturis Martínez et al., 2004
  • Reighardia Ward, 1899
  • Reighardia lomviae Dyck, 1975
  • Reighardia sternae (Diesing, 1864)

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