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Alligatoroidea

Alligatoroidea
Vaqtinchalik diapazon: Kechki bo'r - so'nggi, 83.5–0 Ma
Ikki amerikalik alligators.jpg
Alligatorlar (yuqorida ko'rsatilgan) va kaymanlar ning tirik a'zolari superfamily Alligatoroidea.
Ilmiy tasnif e
Qirollik:Animalia
Filum:Chordata
Sinf:Reptiliya
Buyurtma:Timsoh
Klade:Brevirostres
Superfamily:Alligatoroidea
Kulrang, 1844 yil
Kichik guruhlar

Alligatoroidea a superfamily ning timsohlar da rivojlangan Kechki bo'r davr. Kladistik jihatdan, Alligatoroidea Alligator mississippiensis (the Amerika timsoli) va barchasi timsohlar bilan chambarchas bog'liq A. mississippiensis ikkalasiga qaraganda Crocodylus niloticus (the Nil timsoh) yoki Gavialis gangeticus (the gharial).[1]

Taksonomiya

Alligator uyasi Everglades milliy bog'i, Florida, Qo'shma Shtatlar
A. olseni old oyoq
Alligator prenasalis fotoalbom

Adabiyotlar

  1. ^ Brochu, Kristofer A. (2003 yil may). "Timsoxlar tarixiga filogenetik yondashuvlar". Yer va sayyora fanlari bo'yicha yillik sharh. 31: 360. doi:10.1146 / annurev.earth.31.100901.141308.