Lub Sijhawm Devonian, nyob rau hauv lub sijhawm geology, ib ntus ntawm Paleozoic Era uas ua raws Silurian Sijhawm thiab ua ntej lub sijhawm Carboniferous, spanning nruab nrab ntawm 419.2 lab thiab 358.9 lab xyoo dhau los. … Nyob rau lub sijhawm lig, thawj plaub-legged amphibians tshwm sim, qhia txog kev ua liaj ua teb ntawm thaj av los ntawm vertebrates.
Lub Sijhawm Devonian tau ntev npaum li cas?
Devonian Lub Sijhawm- 419.2 txog 358.9 MYA.
Lub Sijhawm Devonian nyob qhov twg?
Ib lub teb chaws sib xyaw ntawm South America, Africa, Antarctica, India, thiab Australia dominated rau yav qab teb hemisphere. Cov dej hiav txwv Devonian tau tswj hwm los ntawm brachiopods, xws li spiriferids, thiab los ntawm tabulate thiab rugose corals, uas ua tau loj reefs nyob rau hauv cov dej ntiav.
huab cua zoo li cas nyob rau lub sijhawm Devonian?
Kev nyab xeeb thoob ntiaj teb thaum lub sijhawm Devonian yog qhov xav tsis thoob, nrog qhov nruab nrab dej hiav txwv ntawm "tsuas yog" 80 txog 85 degrees Fahrenheit(piv rau siab li 120 degrees thaum yav dhau los Ordovician thiab Silurian lub sijhawm).
Lub sijhawm Eon yog Ordovician?
Lub Sijhawm Ordovician, hauv lub sijhawm geological, lub sijhawm thib ob ntawm Paleozoic Era. Nws pib 485.4 lab xyoo dhau los, tom qab lub sijhawm Cambrian, thiab xaus rau 443.8 lab xyoo dhau los, thaum Silurian Lub Sijhawm pib.
