塞雷洪泰坦蟒（Titanoboa cerrejonensis）復(fù)原圖
水莽的椎骨(右)與最新發(fā)現(xiàn)的塞雷洪泰坦蟒化石椎骨(左)對(duì)比
7月28日,，Nature雜志發(fā)表了Jason J. Head等人的論文"Giant boid snake from the Paleocene neotropics reveals hotter past equatorial temperatures"文中稱在南美洲哥倫比亞?wèn)|北部的瓜希拉半島大約6000萬(wàn)年前到5800萬(wàn)年前的塞雷洪組（Cerrejon Formation）地層發(fā)現(xiàn)了巨大的蛇類化石。命名為塞雷洪泰坦蟒（Titanoboa cerrejonensis）,，屬名的意思是“泰坦的蟒蛇”,，種名是紀(jì)念發(fā)現(xiàn)地塞雷洪。
塞雷洪泰坦蟒屬于蟒科（Boidae）,，推測(cè)體長(zhǎng)13米,，體重1135千克，是目前已知最大的蛇,。據(jù)說(shuō)這樣大的變溫動(dòng)物,，至少要在最低從30℃到34℃的氣溫下生存，所以確定在古新世的新熱帶界因?yàn)橛写罅慷趸级邷氐臍夂蚰Ｐ偷募僭O(shè)一致,。（生物谷bioon.com）
doi:10.1038/nature10271
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PMID:
Giant boid snake from the Paleocene neotropics reveals hotter past equatorial temperatures
Jason J. Head,Jonathan I. Bloch,Alexander K. Hastings,Jason R. Bourque,Edwin A. Cadena,Fabiany A. Herrera,P. David Polly& Carlos A. Jaramillo
In the online-only Methods of our Letter, equation (3) was published incorrectly. It should read:
Also, some data in Supplementary Table 2 was incorrectly ordered (J. A. Rivas and P. T. Andreadis brought this to our attention). Supplementary Table 2 has been corrected online.
