Khung long co noc doc.

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Khung long co noc doc

Ngay 21-12, cac nha khao co hoc cong bo phat hien hoa thach cua mot loai khung long an thit moi o phia bac Trung Quoc, no co long phu kin va dung noc doc cua rang nanh lam te liet con moi giong nhu loai ran ngay nay..

Khung long co noc doc - Ban co dau.
Khung long co noc doc - Ban khong dau.
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Khung long co noc doc.

 

Mo hinh khung long Sinornithosaurus an thit co chat doc

Duoc dat ten la Sinornithosaurus, co nghia la “than lan chim Trung Quoc” (Chinese bird lizard), loai khung long nay co kich co bang mot con ga tay, tung song trong nhung khu rung vao thoi ky cuoi ky Creta, cach day 99,6 - 66,5 trieu nam.

Phan tich tu hop so va bo rang cua loai khung long Sinornithosaurus cho thay cac tuyen chat doc duoc tich tru o moi ben xuong ham va noc doc se duoc giai phong vao vet thuong con moi qua duong ranh tren be mat ngoai cua rang nanh.

“Noc doc co the khong du manh de giet chet con moi ngay nhung se gay soc va lam te liet he than kinh con moi, co hoi song sot cua con moi rat thap”, nha dia chat hoc Enpu Gong cong tac  tai DH Dong Bac, tinh Lieu Ninh, Trung Quoc  noi.

Cac chi tiet khac ve giai phau hoa thach, duoc cong bo tren tap chi  Khoa hoc  Hoc vien Quoc gia  (My), cho biet con moi chinh ua thich cua khung long Sinornithosaurus la cac loai chim nguyen thuy va khung long nho.

Enpu Gong viet: “Chung toi tin khung long Sinornithosaurus la mot dong vat an thit co chat doc, san cac loai chim bang cach dung chiec rang nanh dai can phap vao lop long va da con moi, cac doc to se gay soc va chinh phuc  nhanh chong nan nhan”.

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Updated: 31/12/2009 | Views: 9 | Comments: 0

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