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箭齒獸 .
箭齿兽属
科学分类
界:
动物界 Animalia
门:
脊索动物门 Chordata
纲:
哺乳纲 Mammalia
目:
† 南方有蹄目 Notoungulata
科:
† 箭齿兽科 Toxodontidae
属:
† 箭齿兽属 Toxodon Owen , 1837
種
† T. burmeisteri Giebel, 1866
† T. chapalmalensis Ameghino, 1908
† T. darwini Burmeister, 1866
† T. ensenadensis Ameghino, 1887
† T. expansidens Cope, 1886
† T. gracilis Gervais and Ameghino, 1880
箭齒獸 (Toxodon )是南方有蹄目 中已滅絕 的一屬 ,生態 上與河馬 相似,生存於中新世 至全新世 的南美洲 。箭齒獸與一些南蹄目經歷了南北美洲生物大遷徙 ,相信因更新世的氣候 轉變而滅絕。查爾斯·達爾文 (Charles Darwin)在《小獵犬號航行之旅 》中首先研究了牠的化石 。有指箭齒獸的生活模式有點似南美洲的河馬,有可能被一般劍齒虎 所掠食。
Toxodon platensis 箭齒獸中的T. platensis 是一種體型很大的草食性 動物,長約2.75米及高1.5米,外觀像犀牛 。
† 異蹄目
† Carodniidae
Carodnia
埃塔約獸屬
南方埃塔約獸屬
羅卡尼亞獸屬
† 焦獸目
† 哥倫比亞獸科 † 焦獸科
巴瓜獸屬
Carolozittelia
Griphodon
原焦獸屬
焦獸屬
† 閃獸目
† 三角柱獸科 † 閃獸科
南極齒獸屬
Astrapodon
科馬威獸屬
Liarthrus
麥登獸屬
Parastrapotherium
† 阿爾貝戈德里獸亞科 † 閃獸亞科
Astrapothericulus
閃獸屬
史卡利亞獸屬
† 烏拉圭獸亞科
† Kollpaniidae?
Andinodus
Molinodus
Pucanodus
Simoclaenus
Tiuclaenus
† 第斗獸科
第斗獸屬
Enneoconus
Ernestokokenia
Escribania
Lamegoia
Paulogervaisia
Raulvaccia
Ricardocifellia
Saltaodus
Umayodus
† 滑距骨目
† 原滑距骨獸科
Asmithwoodwardia
Miguelsoria
原滑距骨獸屬
† Amilnedwardsiidae
Amilnedwardsia
Ernestohaeckelia
Rutimeyeria
† Sparnotheriodontidae
Notiolofos
Phoradiadius
Sparnotheriodon
Victorlemoinea
† Indaleciidae† 南方爪獸科 † 亞丁獸科
亞丁獸屬
Proadiantus
Proectocion ?
Proheptaconus
Thadanius
Tricoelodus
† 後弓獸科 † Cramaucheniinae
Caliphrium
Coniopternium
Cramauchenia
Phoenixauchenia
Pternoconius
滑距貘屬
† 後弓獸亞科
Cullinia
Huayqueriana
後弓獸屬
似後弓獸屬
Oxyodontherium
Paranauchenia
原後弓獸屬
史卡拉布里尼獸屬
溫德豪西尼亞獸屬
Xenorhinotherium
† 原馬形獸科
Mesolicaphrium
Neodolodus
Olisanophus
Pseudobrachytherium
† Anisolambdinae
Anisolambda
Eolicaphrium
Guilielmofloweria
Heteroglyphis
Lambdaconops
Paranisolambda
原滑距貘屬
† 原馬形獸亞科
Anisolophus
Brachytherium
雙滑距獸屬
Diplasiotherium
Eoauchenia
Epecuenia
Epitherium
Lambdaconus
Neobrachytherium
Neolicaphrium
副後弓獸屬
Picturotherium
Prolicaphrium
原馬形獸屬
Tetramerorhinus
Thoatheriopsis
滑距馬屬
烏拉圭齒獸屬
Villarroelia
† Megadolodinae
地位未定
Proacrodon
Salladolodus
Xesmodon
Wainka
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