Cov kws tshawb fawb tau tshawb pom cov nab nab loj tshaj plaws

Cov kws tshawb fawb tau tshawb pom cov nab nab loj tshaj plaws
Cov kws tshawb fawb tau tshawb pom cov nab nab loj tshaj plaws
Anonim

Cov kws tshawb fawb tau pom cov pob zeb ntawm cov nab nab qub. Nws nyob txog 48 lab xyoo dhau los nyob rau tam sim no yog lub teb chaws Yelemees.

Cov kws tshawb fawb tseem pom tias cov nab nab nab thiab cov npua qub nyob hauv tib thaj chaw, txawm hais tias lawv yog "cov neeg sib tw ecological ncaj qha"

Ib tus nab fossil pom nyob ze ntawm lub pas dej German thaum ub hauv Frankfurt tau pab cov kws tshawb fawb pom tias nab nab los qhov twg tuaj. Ua ntej pom qhov seem, cov kws tshawb fawb xav tias nab nab tuaj rau Tebchaws Europe los ntawm cov tebchaws nyob rau yav Qab Teb Hemisphere (los ntawm qhov chaw uas lawv nyob tam sim no) lossis los ntawm Sab Qaum Teb Qaum Teb (qhov uas lawv cov txheeb ze nyob ze tshaj plaws). Txawm li cas los xij, hom tsiaj no, hu ua Messelopython freyi, tau qhia tias nab nab tau hloov pauv nyob hauv Europe.

Cov kws tshawb fawb hauv tebchaws German tau hais qhia txog Kev Tshawb Fawb: "Cov pob zeb uas pom muaj nyob deb ntawm cov nab hab sej qub tshaj plaws, thiab (pom nyob hauv Europe) lawv tau lees paub tias yog keeb kwm yav qaum teb hemisphere."

Ib txoj kev tshawb fawb luam tawm hauv phau ntawv xov xwm Biology Letters qhia pom tias nab nab thaum ub loj li ntawm 1 meter. Nws muaj 275 vertebrae.

Cov kws tshawb fawb tseem tau tshawb pom qhov sib txuas ntawm Messelopython freyi thiab boas - cov nab nab nab no thiab cov npua qub nyob ua ke. Qhov pom yog nthuav vim tias tam sim no nab nab thiab boas tam sim no nyob deb ntawm ib leeg. Boas feem ntau nyob hauv South thiab Central America, Madagascar thiab sab qaum teb Oceania, thaum nab nab nyob hauv Africa, Southeast Asia thiab Australia.

Cov kws tshawb fawb twb paub lawm tias boas nyob hauv Tebchaws Europe thaum Paleogene Thaum Ntxov, uas pib 66 lab xyoo dhau los thiab xaus 23 lab xyoo dhau los. Tam sim no lawv yuav tsum kawm paub ob hom no, uas yog "kev sib tw ecological ncaj qha", sib koom ua ke.

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