Tsis ntev los no, chav kawm tau hu ua Pelecypoda, lub ntsiab lus " axe-foot" (raws li cov duab ntawm ko taw ntawm tus tsiaj thaum txuas ntxiv). Lub npe "bivalve" yog muab los ntawm Latin bis, lub ntsiab lus "ob", thiab valvae, lub ntsiab lus "nplooj ntawm ib lub qhov rooj ".
lo lus Pelecypod txhais li cas?
noun. ib yam mollusk ntawmchav kawm Pelecypoda (Lamellibranchiata), tus yam ntxwv los ntawm lub plhaub bivalve uas kaw lub taub hau tsis muaj lub cev thiab lamellate gills, suav nrog oysters, clams, mussels, thiab scallops. adjective.
Pelecypod fossil yog dab tsi?
Pelecypods (peh-les'-i-pods) suav nrog oysters, clams, mussels, thiab cockles. Lawv tau pom nyob rau hauv qee qhov cov pob zeb qub tshaj plaws hauv hiav txwv paub thiab tseem muaj ntau heev hauv hiav txwv thiab dej niaj hnub no. Yav dhau los, qee lub pob zeb hlaws tau ua los ntawm clam shells los ntawm Illinois thiab Mississippi Rivers.
Inoceramus hnub nyoog pes tsawg?
Inoceramus, genus ntawm cov neeg tuag pelecypods (clams) pom li pob txha hauv Jurassic mus rau Cretaceous pob zeb (pw nruab nrab ntawm 199.6 lab thiab 65.5 lab xyoo dhau los).
Yuav ua li cas cov bivalves tau txais lawv lub npe?
Lub npe "bivalve" yog muab los ntawm Latin bis, txhais tau tias "ob", thiab valvae, txhais tau tias "nplooj ntawm lub qhov rooj ".