两栖动物

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两栖动物是一種变温、卵生、营水陆两栖的肉食性四足類脊椎动物(部分类群四足退化),在生物分类学上构成名为两栖纲(學名:Amphibia)的分类单元[2]。特征為表皮裸露,无鳞甲、毛羽等覆盖,皮膚通过分泌粘液以保持身体湿润;四足有趾而无爪。所产的卵缺乏卵壳保湿,因此需产在水中。幼体出生后必须在水中生活,用鳃呼吸,成年后可在陆地上生活,用肺和皮肤呼吸,主要捕食小型无脊椎动物。

两生纲化石时期:泥盆纪晚期至今,370–0 Ma

PreЄ

Є

O

S

D

C

P

T

J

K

Pg

N

左上:葉綠樹蛙;右上:西蒙螈;左下:绿红东美螈;右下:墨西哥蚓螈

科学分类

界:

动物界 Animalia

门:

脊索动物门 Chordata

演化支:

希望螈类 Elpistostegalia

演化支:

堅頭類 Stegocephalia

总纲:

四足總綱 Tetrapoda

演化支:

蛙形类 Batrachomorpha

纲:

两生纲 AmphibiaGray, 1825[1]

下级級分類

†离片椎目 Temnospondyli

†殼椎亞綱 Lepospondyli

滑体亚纲 Lissamphibia

无尾目 Anura

有尾目 Urodela

蚓螈目 Gymnophiona

†異螈目 Allocaudata

†阿尔班螈科 Albanerpetontidae

目录

1 演化

2 下级分类

3 生理构造

3.1 循環系統

3.2 消化系統

4 生长繁殖

5 食性

6 防衛機制

7 下属分类

8 參考文獻

9 延伸閱讀

10 外部連結

演化

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两栖动物相信起源於泥盆紀晚期,於石炭紀爆發[3][4][5]:87。传统的分类学观点中,将两栖动物化石分为三个亚纲,分別是[6]:迷齿亚纲(labyrinthodontia)[3]:87、壳椎亚纲及滑体亚纲。

近年認為殼椎亞綱是與羊膜動物有關或是其的祖先[7],即牠們是已滅絕(但不包括羊膜動物)的多系分類[8],或是一個非常接近羊膜動物祖先(非兩棲類)的單系群[9]。

两栖动物由泥盆纪晚期的肉鳍鱼类演化而来,是四足类动物从水栖发展到陆栖的中间过渡类型,进化程度介于高等鱼类和羊膜動物之间。早期两栖动物在石炭纪繁盛一时,分化出许多大型种类,为淡水和陆地上的顶级捕食者,但由于食性较为单一,且对各种水体的适应性不及鱼类,陆地生存能力又逊于后起的羊膜动物,自中生代以来两栖动物逐渐衰落,至今大部分种类都已灭绝。现存的两栖动物均属于滑体亚纲,多數體型較小,包括青蛙、蟾蜍(蛤蟆)、蝾螈、大鯢(娃娃鱼)等,共计约8000种,已描述7000余种,在脊椎动物中仍属大类,物种多样性仅次于辐鳍鱼类和羊膜动物。其在交配後,能產卵400餘枚,數量驚人。

传统的分类体系中,除羊膜動物外的所有四足類動物都歸為兩栖綱,在此定義下部份兩栖動物為羊膜動物的祖先。然而,各類羊膜動物(合弓纲和蜥形纲)獨立於兩棲綱之外,使得傳統的兩棲綱成為並系群(即缺少部分演化支,未囊括所有後代),因此現行分類縮小了兩棲綱的涵蓋範圍,僅限於四足總綱下蛙形類(英语:Batrachomorpha)的一支,與羊膜動物所屬的爬行形类分为两支,互不相關,切断了传统分类中两栖动物与羊膜动物的演化关系,這一新的定義使部份早期四足類動物不再隸屬兩栖動物。

下级分类

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兩棲綱

†离片椎目(Temnospondyli)

滑体亚纲(Lissamphibia)

无足目(Apoda),又称蚓螈目或裸蛇目 (Gymnophiona):约5科、34属、170种

有尾目(Urodela),又称蝾螈目 (Salamandriformes):约9科、60属、358种,如娃娃鱼、蠑螈

无尾目(Anura),又称蛙形目 (Raniformes):约20科、303属、3700种,如青蛙、蟾蜍

†異螈目(Allocaudata)

(註:† 表示已滅絕)

史前类群壳椎亚纲(Lepospondyli)也曾被归类于此,但实际上这一演化支更接近羊膜动物,属于爬行形类。

生理构造

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循環系統

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心臟:兩心房,一心室

消化系統

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解剖了的青蛙:1. 右心房,2. 肺,3. 主動脈,4. 大量的卵子 ,5. 結腸,6. 左心房,7. 心室,8. 胃,9. 肝,10. 膽囊,11. 小腸,12泄殖腔

大部分兩棲動物都能透過彈出口腔內可伸展的舌頭去捕捉獵物,其帶有黏性的舌尖能很好的黏著獵物並將其帶回口中,而無須動用顎骨半分。一些物種會以慣性去協助它們吞嚥,它們會反覆將頭部快速伸前以製造推力,從而令慣性將獵物吞進食道中。由於大部分的兩棲動物都不會咀嚼獵物,而是整支的吞進食道中,因此它們多有一個特別大的胃部,嘔吐的時候則會直接將胃吐出。不長的食道內部有纖毛協助將食物推往胃中,口腔內及咽喉中的腺體亦會分泌黏液去平滑食道。胃部則會透過分泌幾丁質酶(Chitinase)去消化節肢動物的幾丁質外殼。[10]

生长繁殖

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两栖动物繁殖时候需要水,因为它们的卵要生在水里。刚从卵裡出来的幼体形态似鱼(如蝌蚪)用鳃呼吸,有侧线,依靠尾鳍游泳。然后经变态才能上陆生活。一般来说,它们最后会离开水,但是并非所有两栖动物都是这样。它们成长过程中最明显的是长出四条腿来在陆地上行走,另外还有:

身体分为头、躯干、尾和四肢四部分;

鱼鳃改为别的呼吸器,如肺;

皮肤变为可以交換氣體的器官;

眼睛加了活动性眼睑,下眼睑连有瞬膜(但某些鲨鱼已有瞬膜);

在蛙蟾类的眼后常有一圆形鼓膜覆盖在中耳(或称鼓室)外壁,内接耳柱骨,并出现耳咽管。

食性

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两栖动物都是食肉的,一般以蠕虫、蜘蛛和昆虫为食。较大一点的两栖动物还以小的爬行动物、哺乳动物甚至螃蟹为食物。

防衛機制

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两栖动物擁有柔軟的身體及薄的皮膚,既沒有爪,也沒有防禦性的硬甲或刺狀物,令人產生它們沒有防衛機制的錯覺,但事實上牠們卻演化出不同的防衛機制去保護自己。蠑螈及青蛙的第一道防線為牠們所製造的粘液分泌,使牠們的皮膚濕潤並且難以捕捉;這些分泌物除了黏稠外,亦有難吃的味道,甚至帶有毒性。[11]有觀察紀錄發現蛇在吞食非洲爪蟾時被逼張大嘴巴,從而讓青蛙有逃走的機會。[12]

有關蚓螈在這方面的所知甚少,但已知扁尾盲游蚓螈(英语:Typhlonectes compressicauda)(Typhlonectes compressicauda)在巴西進行的一項實驗中,發現有種毒素能殺死獵食牠的魚類。[13]部分蠑螈的皮膚具有毒性,例如在北美洲生活的粗皮漬螈(Taricha granulosa)及其同屬物種均能製造出強力的神經毒素——河豚毒素,這種為已知非蛋白質最毒的物質;在測試中,魚類、青蛙、爬蟲類、鳥類及哺乳類動物均對其無招架之力。[14][15]唯一已知的獵食者為束帶蛇(英语:Thamnophis sirtalis)(Thamnophis sirtalis)。在與粗皮漬螈共同生活的地方出現的束帶蛇,是少數能抵受這種毒性的生物。牠們因基因突變而改變了免疫系統,適應這種毒素,使牠們能以粗皮漬螈為食而不受到任何傷害。[16]這種關係構成牠們之間的共同演化,當束帶蛇演化出更好的防禦能力後,粗皮漬螈也會加強牠們的毒素去抵抗。諸如此類獵物與捕食者間不斷精進毒素與抗毒能力的共演化現象被視為「軍備競賽」,使雙方不斷演化出更毒之毒素及更強之解毒能力。這種互相施加演化壓力而改變彼此演化方向的現象固然為共演化的典範。[15]

部分青蛙與蟾蜍也是有毒的,其藏毒腺體多在頸的兩側及背部的疣上,這些區域都是顯而易見,以向攻擊者示警;此外這些分泌物亦會帶來特別的氣味,或引起其他肉體上及神經方面的症狀。在極少量已被研究的兩棲動物中,已分離出了超過200種不同的有毒物質。[17]有毒物種多以鮮艷的顏色去警告捕獵者,多為紅色或黃色再配上黑色,例如火蠑螈就是明顯的例子。一旦獵食者曾嚐過一口這些物種,牠們就會牢記這些顏色的物種並不可口。部分物種的警告色長在腹部上,如铃蟾属的物種,因此牠們在遇到攻擊時反而會將腹部朝上,並分泌毒液以趕退敵人。另外某些物種本身沒有毒性,如紅背異箭毒蛙,就會模擬在其地域中有毒物種的膚色以嚇退獵食者。[18]

不少兩生動物都是夜行性,於日間隱藏起來以避開日間捕食的物種;其他兩棲動物則善用不同的偽裝避免被發現,大多有斑駁的棕色、灰色或橄欖色等以藏身於背景之中。一些蠑螈在面對獵食者會有獨特的反捕行為(英语:Antipredator adaptation)。一項以北短尾鼩鼱(英语:Blarina brevicauda)(Blarina brevicauda)及不同的蠑螈所作的測試中,發現不少蠑螈會在面對獵食者時會不斷翻騰身體,並會高舉或拍打尾巴,使獵食者在獵食時無可避免地接觸到牠們皮膚上製毒的腺體。[19]另一為人所知的防衛機制為自割尾巴以便逃脫,有研究指尾巴有獨特的結構以便在危難時移離身體;一般而言被自割的尾巴都能夠再生,但所需的能量不菲。[20]

某些青蛙及蟾蜍則透過吸入大量空氣令身體膨脹,使牠們的外觀變得巨大且兇猛,一些鋤足蟾甚至會發出叫聲並主動跳向攻擊者。[21]大鯢、角花蟾亞科(英语:Ceratophryinae)(Ceratophryinae)物種及箱頭蛙屬(英语:Pyxicephalus)(Pyxicephalus)的物種都有尖銳的牙齒,並能在防制性的咬擊中令對手流血受傷。分佈於美國的黑腹脊口螈(英语:Desmognathus quadramaculatus)(Desmognathus quadramaculatus)就能夠對攻擊牠們的束帶蛇造成牠們身體兩至三倍大小的傷口,並且常能在掙扎中離開險境。[22]

海蟾蜍(Bufo marinus)的眼後有毒囊。

火蠑螈(Salamandra salamandra)鮮艷的膚色能向獵食者傳達出顯眼的警告訊息,並且牠們的皮膚能製造劇毒蠑螈鹼來保護自己。

金色箭毒蛙(Phyllobates terribilis)可能是毒性最強的兩棲動物,皮膚上布滿了高濃度劇毒蛙毒素(英语:Batrachotoxin)。[23]

下属分类

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本纲包括以下目:

无尾目 Anura

有尾目 Caudata

无足目 Gymnophiona

目的地位未定的科:

Acanthostegidae

Acherontiscidae

Adelogyrinidae

Allophyrnidae

Almasauridae

两栖螈科 Amphibamidae

真齿蛙科 Amphignathodontidae

Anthracosauridae

先驱螈科 Archegosauridae

Archeriidae

Asterophrydidae

Baphetidae

Batrachiderpetontidae

Batrachophrynidae

Benthosuchidae

Angusaurus Getmanov, 1989

Gondwanosaurus Lydekker, 1885

Kwatisuchus

Kwatisuchus rosai Pinheiro, Eltink, Paes-Neto, Machado, Simões & Pierce, 2024[24]

Odenwaldia Morales & Kamphausen, 1984

Pachygonia Huxley, 1865

Qantas Novikov, 2012

Syrtosuchus Novikov, 2016

Thoosuchus Efremov, 1940

Volgosuchus Efremov, 1940

Vyborosaurus Novikov, 1990

Brachyopidae

Brachystelechidae

Branchiosauridae

Bystrowianidae

Caerorhachidae

Capitosauridae

Capitosauroides Haubold, 1971

Capitosaurus Münster, 1836

Capitosaurus robustus (Meyer & Plieninger, 1844)

Cyclotosaurus Fraas, 1889

Cyclotosaurus buechneri Witzmann, Sachs & Nyhuis, 2016

Cyclotosaurus ebrachensis Kuhn, 1932

Cyclotosaurus hemprichi (Kuhn, 1942)

Cyclotosaurus intermedius Sulej & Majer, 2005

Cyclotosaurus naraserluki Marzola, Mateus, Shubin & Clemmensen, 2017[25]

Cyclotosaurus papilio Wepfer, 1913

Cyclotosaurus posthumus Fraas, 1913

Paracyclotosaurus Watson, 1958

Parotosaurus Jaekel, 1922

Ceratophrynidae

Chigutisauridae

Chroniosuchidae

Cochleosauridae

Cocytinidae

Colosteidae

Colostethidae

Crassigyrinidae

Cricotidae

Cyclotosauridae

Cystignathidae

Dactylethridae

Deltacephalidae

Dendrerpetontidae

Dendrophryniscidae

Derwentiidae

Diadectidae

Diplocaulidae

Discosauriscidae

Dissorophidae

Dvinosauridae

Dwinasauridae

Dyscophidae

Edopidae

Engystomidae

Enosuchidae

Eobrachyopidae

Eogyrinidae

Eoherpetontidae

Epicria

Eryopidae

Eryosuchidae

Eugyrinidae

Gephyrostegidae

Gymnarthridae

Hapsidopareiidae

Hapsidopareiontidae

Hemisidae

Heylerosauridae

Hylonomidae

Hyloplesiontidae

Ichthyostegidae

Indobrachyopidae

Intasuchidae

Keraterpetontidae

Konzhukoviidae

Kotlassiidae

Kourerpetidae

Laidleriidae

Lapillopsidae

Latiscopidae

Leptorophidae

Lethiscidae

Limnoscelididae

Liopelmidae

Lydekkerinidae

Lyrocephaliscidae

Lysipterygiidae

Mastodonsauridae

Melosauridae

Metoposauridae

Microbrachidae

Micromelerpetontidae

Micropholidae

Molgophidae

Nycteroleteridae

Odonterpetontidae

Ophiderpetontidae

Ostodolepidae

Otocratiidae

Pantylidae

Paracyclotosauridae

Parioxyidae

Parotosuchidae

Peltobatrachidae

Phlegethontiidae

Pholidogasteridae

Phryniscidae

斜橫螈科 Plagiosauridae

Platystegidae

Proterogyrinidae

Protobatrachidae

Protritonidae

Pseudophlegethontiidae

Ptyoniidae

Rhinesuchidae

Rhynchonkidae

Rhytidosteidae

Sauropleuridae

Scincosauridae

Sclerocephalidae

Sclerothoracidae

Seymouriidae

Solenodonsauridae

Thoosuchidae

Tokosauridae

Trematopidae

Trematopsidae

Trematosauridae

Trihecatontidae

Trimerorhachidae

Tseajaiidae

Tuditanidae

Tulerpetontidae

Tupilakosauridae

Uranocentrodontidae

Urocordylidae

Urodela

Waggoneriidae

Wetlugasauridae

Whatcheeriidae

Yarengiidae

Zatrachydidae

目和科的地位未定的属:

Abiadisaurus Warren, Yates, Damiani, Goodwin, Wood & Schaff, 1998

Acanthostoma Credner, 1883

Actibates Jardine, 1853

Acutipes Heyler & Lessertisseur, 1963

Adenoderma Fritsch, 1877

Agostopus Gilmore, 1926

Allopus Marsh, 1894

Altenglanerpeton Glienke, 2012

Amblyodon Dawson, 1882

Amblyopoditta Strand, 1935

Amblyopus Gilmore, 1927

Ammobatrachus Gilmore, 1928

Amphibiopodiscus Ellenberger, 1970

Amphibiopus Ellenberger, 1970

Amphicoelosaurus Barkas, 1873

Amphisauroides Haubold, 1970

Amphisauropus Haubold, 1970

近蜥龍屬 Amphisaurus Barkas, 1870

Ancudia Philippi, 1902

Ancylopus Carman, 1928

Anisopus Owen, 1842

Anomoeichnus Carman, 1928

Antarctosuchus Sidor, Steyer & Hammer, 2014

Anthichnium Nopcsa, 1923

Anthracobamus Werneburg, 2019

Anthracopus Lorenz, 1879

Anthrakerpeton Owen, 1865

Aquiloniferus Bjerring, 1999

Arachana Piñeiro, Ramos & Marsicano, 2012

Archaeoovulus Capasso, Pallizzi, Milia & D'Anastasio, 2013

Arethusa Bonaparte, 1838

Arethusa Duméril & Bibron, 1841

Arizonerpeton Thayer, 1985

Arotus Cope, 1877

Asaphestera Steen, 1934

Asperipes Matthew, 1903

Atopotera Steen, 1934

Austropelor Longman, 1941

Axolotes Owen, 1844

Barillopus Matthew, 1903

Baropezia Matthew, 1903

Baropus Marsh, 1894

Barypodus Gilmore, 1926

Bathysiredon Taylor, 1940

Batrachichnus Woodworth, 1900

Batrachocephalus Fric, 1876

Batrachopodiscus Ellenberger, 1972

Batrachosaurus Fitzinger, 1843

Batrachosaurus Owen, 1876

Batrichnis Harkness, 1851

Benthosaurus Efremov, 1929

Benthosuchus Efremov, 1936

Bermanerpeton Werneburg, Schneider & Lucas, 2021

Biarmica Ivachnenko, 1987

Bissektia Nessov, 1981

铃蟾属 Bombina Tian & Hu, 1985

Borborophagus Branson & Mehl, 1929

Brachystelechus Carroll & Gaskill, 1978

Bradyarges Gistl, 1868

蟾蜍屬 Bufo Rösel von Rosenhof, 1758

Calamita Merrem, 1820

Calamite Schneider, 1799

Calmasuchus Fortuny, Josep, Angel Galobart & Carles De Santisteban, 2011

Calochelys Fritsch, 1879

Capetus Steen, 1938

Capulomala Warren, Damiani & Sengupta, 2009

Ceratophryne Günther, 1858

Chaparana Fei, Ye & Huang, 1990

Chelidosaurus Fric, 1878

Chigutisaurus Rusconi, 1948

Chinlestegophis Pardo et al., 2017

Chionopelas Tschudi, 1846

Collettosaurus Cox, 1874

Cordyloides Fritsch, 1904

環尾蜥屬 Cordylus Wagler, 1828

Corvipes Hitchcock, 1858

Cosmus d'Orbigny

Cratopipa Carvalho et al., 2019

Crenipes Heyler & Lessertisseur, 1963

Crucipes Butts, 1891

Cursipes Matthew, 1903

Datheosaurus Schroeder, 1905

Delphinosaurus Eichwald, 1853

Dendryazousa Steen, 1934

Desmodactylus Duméril & Bibron, 1854

Devipes Heyler & Lessertisseur, 1963

Diadetognathus Miall, 1874

Dictyocephalus Leidy, 1857

Diplopelturus Depéret, 1897

Diplospondylus Lydekker, 1889

Discodactylus Wagler, 1833

盘椎龙属 Discosaurus Credner, 1883

Diversipes Heyler & Lessertisseur, 1963

Doryphorus Brocchi, 1881

Doryphorus Mayer, 1835

Dromillopus Lambe, 1904

Dromopus Marsh, 1894

Dryomelictes Cope, 1865

Edingerella Schoch & Milner, 2000

Eldeceeon Smiths, 1994

Electrorana Xing et al., 2018

Elophila Duméril & Bibron, 1841

Eobatrachus Moodie, 1902

Eosauravus Williston, 1910

Eosaurus Marsh, 1862

Eoserpeton Moodie, 1909

Epicordylus Cope, 1878

Epipolysemia Brame, 1973

Episcopopus Ellenberger, 1970

Erierpeton Moodie, 1913

Erpetobrachium Moodie, 1913

Erpetosaurus Cope, 1874

Erpetosuchus Moodie, 1911

Eryopides Douthitt, 1917

Eryopsoides Douthitt, 1917

Eryosuchus Ochev, 1966

Eubates Steindachner, 1864

Euchirosaurus Gaudry, 1879

Eupalamopus Hay, 1902

Eupleurodus Gürich, 1884

Eurosaurus Kutorga, 1838

Eurycervix von Huene, 1902

Euryops Cope, 1884

Eurythorax Cope, 1871

Exobranchia Gray, 1850

Foliipes Heyler & Lessertisseur, 1963

Fritschia Dawson, 1882

Genibatrachus Gao & Chen, 2017

Gilmorella Strand, 1935

Glanochthon Schoch & Witzmann, 2009

Glossiphus Green, 1832

Glyptognathus Lydekker, 1882

Gnorhimosuchus Efremov, 1951

Goniocara Hay, 1929

Goniocephalus Broili, 1913

Gracilichnium Haubold, 1970

Grippiella Herre, 1949

Gryphius Gistl, 1848

Hadromophryne Hewitt, 1913

Halobatrachus Hammer, 1987

Heliarchon Meyer, 1860

Hemibatrachus Fitzinger, 1843

Hemichthys Fritsch, 1895

Hemiprichisaurus Kuhn, 1939

Hemprichisaurus Kuhn, 1939

Hensonbatrachus Gardner & Brinkman, 2015

Hercynosaurus Jaekel, 1914

Herpetichnus Jardine, 1850

Hesperopherpeton Peabody, 1958

Heylerosaurus Shishkin, 1980

Hiobates Steindachner, 1864

Huskerpeton Huttenlocker, Pardo, Small & Anderson, 2013

Hybridus Peracca, 1886

Hydrospelaeus Leuckart, 1821

Hylaemorphus Fitzinger, 1857

Hyliola Mocquard, 1899

Hyloidichnus Gilmore, 1927

Hylophryne Steindachner, 1864

Hylopus Dawson, 1895

海纳螈属 Hynerpeton Daeschler, Shubin, Thomson & Amaral, 1994

Hyperodon Lichtenstein & Martens, 1856

Hyphasma Cope, 1875

Iberospondylus Laurin & Soler-Gijón, 2001

Icanosaurus Rusconi, 1950

Ichnium Pabst, 1896

Ichthyerpeton Etheridge, 1866

Iliobates Steindachner, 1867

Joermungandr Mann, Calthorpe & Maddin, 2021

Jugosuchus Riabinin, 1962

Kalamoiketor Branson & Mehl, 1929

Kirktonecta Clack, 2011

Korkonterpeton Werneburg et al., 2020

Koskinonodon Branson & Mehl, 1929

Kryostega Sidor, Damiani & Hammer, 2008

Kupferzellia Schoch, 1997

Kuruleufenia Gómez, 2016

Labyrinthodon Owen, 1841

Lagunculapes Hitchcock, 1858

Laosuchus Arbez, Sidor & Steyer, 2018

Lasalia Vaughn, 1965

Lehahichnus Ellenberger, 1970

Leptognathosaurus Barkas, 1873

Limnopus Marsh, 1894

滑螈属 Lissotriton Gistl, 1868

Lithobatrachus Parker, 1929

Lonchorhynchus Wiman, 1910

Lusor Steen, 1938

Lutetiobatrachus Wuitke, 1988

Lysorocephalus Huene & Bock, 1954

Macromerium Lydekker, 1890

Macrosaurus Barkas, 1873

Macrothaelacion Wagler, 1833

Marpurgichnium Schindewolf, 1928

Mastocephalus van Hoepen, 1934

Matthewichnus Haubold, 1970

Megalerpeton Young, 1870

Megapezia Matthew, 1903

Memonomenos Steen, 1938

Mentosaurus Roepke, 1930

Merothaelacium Wagler, 1833

Mesichnium Gilmore, 1926

Meyerosuchus Ochev, 1966

Micrarthroleptis Deckert, 1938

Micrerpeton Moodie, 1909

Micrichnium Abel, 1926

Micropelobates Wettstein-Westersheimb, 1955

Milneria Hunt, Lucas & Berman, 1996

Moenkopisaurus Shishkin, 1960

Mycetoglossus Bonaparte, 1839

Mycetoides Duméril & Bibron, 1854

Mynbulakia Nessov, 1981

Mytaras Steen, 1931

Nanipes Heyler & Lessertisseur, 1963

Nanobamus Schoch & Milner, 2014

Nanopus Marsh, 1894

Nanospondylus Olson, 1965

Nectura Rafinesque, 1820

Notalacerta Butts, 1891

Notamphibia Butts, 1891

Notobatrachus Reig, 1956

Novascoticus Carroll, 1966

Octopodichnus Gilmore, 1927

Odontosaurus Meyer, 1835

Oestocephalus Cope, 1868

Onyctopus Martin, 1922

Ophiderpeton Fristch, 1879

Opisthocoelellus Kuhn, 1941

Ornithichnites King, 1845

蜥鳥盜龍屬 Ornithoides Matthew, 1903

Orthopleurosaurus Lydekker, 1890

Orthosauriscus Kuhn, 1933

Orthosaurus Barkas, 1871

Otilopha Gray, 1831

Otuminisaurus Rusconi, 1948

Palaeophrynos Tschudi, 1838

Palaeopus Gilmore, 1926

Palaeosalamandra Herre, 1949

Palaeosalamandrina Herre, 1949

Palaeosaurus Fitzinger, 1843

Palaeosiren Geinitz, 1864

Palaeostricha van Frank, 1955

Palaeotriton Fitzinger, 1843

Palatinerpeton Boy, 1996

Paleohelcura Gilmore, 1926

Paleotriton Bronn, 1838

Palodromeus Schoch, Henrici & Hook, 2020

Parabaropus Gilmore, 1927

Paramicrobrachis Kuhn, 1960

Pariostegus Cope, 1868

Parotosuchus Ochev & Shishkin, 1968

Parvipes Willard & Cleaves, 1930

Pelion Cope, 1869

Pelonectes Lataste, 1879

Pelosaurus Credner, 1882

Perryella Carlson, 1987

Petrobates Credner, 1890

Petrophryne Owen, 1876

Phaenerobranchus Fitzinger, 1826

Phrynoderma Boulenger, 1893

Phrynophrys Bonaparte, 1839

Phylhydrus Swainson, 1839

Pithecopsis Duméril & Bibron, 1840

Platosphus L'Isle, 1877

扁头蛇属 Platyceps Stephens, 1887

Platyops Williston, 1918

Platyrhincus Duméril & Bibron, 1841

Platyrhynchus Leuckart, 1816

Platytherium Barkas, 1873

Pleuronoura Gaudry, 1879

Pleuroptyx Cope, 1875

Podonectes Steindachner, 1864

Porierpeton Fritsch, 1885

Potamochoston Steen, 1938

Proamphibia Karpinskii, 1930

Probatrachus Peters, 1877

Promelanerpeton Kuhn, 1961

Propelodytes Weitzel, 1938

Protocordylus Hyrtl, 1865

Protopelobates Bieber, 1880

Protophrynus Pomel, 1853

Protriton Boy, 1972

Proxilodon Huttenlocker, Pardo, Small & Anderson, 2013

Pseudarthroleptis Deckert, 1938

Pseudobradypus Matthew, 1903

Pseudopipa Ritgen, 1828

Ptychosphenodon Seeley, 1907

Puertollanopus Soler-Gijon & Moratalla, 2001

Ranavus Portis, 1885

Ranetta Geoffroy, 1767

Raniceps Wyman, 1858

Raphanodon Ivachnenko, 1987

Rewanobatrachus Schoch & Milner, 2000

Rhachitomus Cope, 1878

Rhaphidochir Wagler, 1833

Rhombopholis Fritsch, 1879

Rileymillerus Bolt & Chatterjee, 2000

Rubeta Fatio, 1872

Ruecklinichnium Kuhn, 1958

Saharastega Sidor, O'Keefe, Damiani, Steyer, Smith, Larsson, Sereno, Ide & Maga, 2005

Saurichnium Gürich, 1926

Sauropus Hitchcock, 1845

Sauropus Lea, 1849

Schmidtopus Haubold, 1970

Scotobius Gistl, 1848

Seelya Fritsch, 1883

Serripes Heyler & Lessertisseur, 1963

Silvanerpeton Clack, 1994

Sparagmites Fritsch, 1885

Spathicephalus D.M.S.Watson, 1929

Sphagepodium Steindachner, 1864

Sphenosaurus Meyer, 1847

Steenisaurus Kuhn, 1938

Stenichnus Gilmore, 1927

Stephanopus Gand, 1975

Stereorachis Gaudry, 1883

Stremmeia Nopcsa, 1931

Streptodontosaurus Barkas, 1873

Strictipes Heyler & Lessertisseur, 1963

Strombus Gray, 1830

Syphonodon Seeley, 1908

Tarsodactylus Hitchcock, 1858

Temnocorpichnus Lucas, Fillmore & Simpson, 2010

Termonerpeton Clack, Smithson & Ruta, 2022

Tetrapodium Gürich, 1926

Thaumastosaurus De Stefano, 1904

Thenaropus King, 1844

Thinopus Marsh, 1896

Thyrsidium Cope, 1874

Timanosaurus Gubin, 1993

Timonya Cisneros, Marsicano, Angielczyk, Smith, Richter, Fröbisch, Kammerer & Sadleir, 2015

Tischlieriella Herre, 1949

Tomeia Eltink et al., 2017

Torridorefugium Hembree, Hasiotis & Martin, 2005

Trematopsis Olson, 1956

Triaenopus Hitchcock, 1848

Triavestigia Gilmore, 1927

Tridactylosaurus Barkas, 1873

Tridentichnus Gilmore, 1927

Trypanognathus Schoch & Voigt, 2019

Tyrrellbatrachus Gardner, 2015

Ulanurus Gubin, 1991

Urumqia Zhang, Li & Wan, 1984

Utaherpeton Carroll, Bybee & Tidwell, 1991

Varibatrachus Parmley et al., 2015

Vladlenosaurus Morkovin & Novikov, 2000

Voigtiella Herre, 1949

Volgaosuchus Efremov, 1940

Warrenisuchus Maganuco, Steyer, Pasini, Boulay, Lorrain, Bénéteau & Auditore, 2009

Watsonisuchus Ochev, 1966

Wealdenbatrachus Fey, 1988

Westlothiana Smithson & Rolfe, 1990

參考文獻

编辑

^ Blackburn, D. C.; Wake, D. B. Class Amphibia Gray, 1825. In: Zhang, Z.-Q. (Ed.) Animal biodiversity: An outline of higher-level classification and survey of taxonomic richness (PDF). Zootaxa. 2011, 3148: 39–55 [2021-01-22]. doi:10.11646/zootaxa.3148.1.8. (原始内容存档 (PDF)于2016-05-18).

^ 兩生綱 Amphibia. [2025-02-21] (中文(臺灣)).

^ 3.0 3.1 Romer, A.S. Vertebrate Paleontology 3rd ed. University of Chicago Press. 1966. 引文格式1维护:冗余文本 (link)

^ 引用错误:没有为名为colbert1969的参考文献提供内容

^ Carroll, RL. Vertebrate Paleontology and Evolution. WH Freeman & Co. 1988.

^ 守护糖分快乐的蟾蜍,什么时候成了生态杀手?. 澎湃新闻 (新浪科技). 2020-11-26 [2024-07-01]. (原始内容存档于2024-12-01) (中文(简体)).

^ Laurin, Michel. Terrestrial Vertebrates - Stegocephalians: Tetrapods and other digit-bearing vertebrates. 1996 [2008-02-18]. (原始内容存档于2008-02-10).

^ Benton, M. J. Vertebrate Paleontology 2nd ed. Blackwell Science Ltd. 2000. 引文格式1维护:冗余文本 (link)

^ Benton, M. J. Vertebrate Paleontology 3rd ed. Blackwell Science Ltd. 2004 [2008-02-16]. (原始内容存档于2008-10-19). 引文格式1维护:冗余文本 (link)

^ Dorit, Walker & Barnes 1991,第847頁.

^ Barthalmus, G. T.; Zielinski W. J. Xenopus skin mucus induces oral dyskinesias that promote escape from snakes. Pharmacology, Biochemistry Behavior. 1988, 30 (4): 957–959. PMID 3227042. doi:10.1016/0091-3057(88)90126-8.

^ Crayon, John J. Xenopus laevis. AmphibiaWeb. [2012-10-08]. (原始内容存档于2014-10-09).

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^ Brodie, Edmund D. Jr. Investigations on the skin toxin of the adult rough-skinned newt, Taricha granulosa. Copeia. 1968, 1968 (2): 307–313. JSTOR 1441757. doi:10.2307/1441757.

^ 15.0 15.1 Hanifin, Charles T.; Yotsu-Yamashita, Mari; Yasumoto, Takeshi; Brodie, Edmund D.; Brodie, Edmund D. Jr. Toxicity of dangerous prey: variation of tetrodotoxin levels within and among populations of the newt Taricha granulosa. Journal of Chemical Ecology. 1999, 25 (9): 2161–2175. doi:10.1023/A:1021049125805.

^ Geffeney, Shana L.; Fujimoto, Esther; Brodie, Edmund D.; Brodie, Edmund D. Jr.; Ruben, Peter C. Evolutionary diversification of TTX-resistant sodium channels in a predator–prey interaction. Nature. 2005, 434 (7034): 759–763. PMID 15815629. doi:10.1038/nature03444.

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^ Darst, Catherine R.; Cummings, Molly E. Predator learning favours mimicry of a less-toxic model in poison frogs. Nature. 2006, 440 (7081): 208–211. PMID 16525472. doi:10.1038/nature04297.

^ Brodie, Edmund D. Jr.; Nowak, Robert T.; Harvey, William R. Antipredator secretions and behavior of selected salamanders against shrews. Copeia. 1979, 1979 (2): 270–274. JSTOR 1443413. doi:10.2307/1443413.

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延伸閱讀

编辑

两栖动物分类表

Carroll, Robert L. Vertebrate Paleontology and Evolution. W. H. Freeman. 1988. ISBN 978-0-7167-1822-2.

Carroll, Robert L. The Rise of Amphibians: 365 Million Years of Evolution. Johns Hopkins University Press. 2009. ISBN 978-0-8018-9140-3.

Duellman, William E.; Linda Trueb. Biology of Amphibians. Johns Hopkins University Press. 1994. ISBN 978-0-8018-4780-6.

Frost, Darrel R.; Grant, Taran; Faivovich, Julián; Bain, Raoul H.; Haas, Alexander; Haddad, Célio F.B.; De Sá, Rafael O.; Channing, Alan; Wilkinson, Mark; Donnellan, Stephen C.; Raxworthy, Christopher J.; Campbell, Jonathan A.; Blotto, Boris L.; Moler, Paul; Drewes, Robert C.; Nussbaum, Ronald A.; Lynch, John D.; Green, David M.; Wheeler, Ward C. The Amphibian Tree of Life. Bulletin of the American Museum of Natural History(英语:Bulletin of the American Museum of Natural History). 2006, 297: 1–291 [2021-01-22]. doi:10.1206/0003-0090(2006)297[0001:TATOL]2.0.CO;2. hdl:2246/5781. (原始内容存档于2018-10-04).

Pounds, J. Alan; Bustamante, Martín R.; Coloma, Luis A.; Consuegra, Jamie A.; Fogden, Michael P. L.; Foster, Pru N.; La Marca, Enrique; Masters, Karen L.; Merino-Viteri, Andrés; Puschendorf, Robert; Ron, Santiago R.; Sánchez-Azofeifa, G. Arturo; Still, Christopher J.; Young, Bruce E. Widespread amphibian extinctions from epidemic disease driven by global warming. Nature. 2006, 439 (7073): 161–167 [2021-01-22]. Bibcode:2006Natur.439..161A. PMID 16407945. doi:10.1038/nature04246. (原始内容存档于2020-08-08).

Stuart, Simon N.; Chanson, Janice S.; Cox, Neil A.; Young, Bruce E.; Rodrigues, Ana S. L.; Fischman, Debra L.; Waller, Robert W. Status and trends of amphibian declines and extinctions worldwide. Science. 2004, 306 (5702): 1783–1786. Bibcode:2004Sci...306.1783S. PMID 15486254. doi:10.1126/science.1103538.

Stuart, S. N.; Hoffmann, M.; Chanson, J. S.; Cox, N. A.; Berridge, R. J.; Ramani, P.; Young, B. E. (编). Threatened Amphibians of the World. Lynx Edicions(英语:Lynx Edicions); IUCN-The World Conservation Union; Conservation International & NatureServe. 2008 [2014-10-30]. ISBN 978-84-96553-41-5. (原始内容存档于2014-10-30).

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