Rhamphorhynchus yog ib hom kab ntev-tailed pterosaurs nyob rau lub sijhawm Jurassic. Tsawg tshwj xeeb tshaj li niaj hnub, luv-tailed pterodactyloid pterosaurs xws li Pterodactylus, nws muaj ib tug ntev Tail, txhav nrog ligaments, uas xaus nyob rau hauv ib tug yam ntxwv soft-tissue tail vane.
Rhamphorhynchus nyob ntev npaum li cas?
Cov lus tseeb ceev txog Rhamphorhynchus: Muaj los ntawm 163.5 lab xyoo ago mus rau 145 lab xyoo dhau los. Nyob hauv ib puag ncig marine.
Rhamphorhynchus zoo li cas?
Rhamphorhynchus yog ib lub genus ntawm ntev-tailed pterosaurs nyob rau Upper Jurassic. … Lub puab tsaig ntawm Rhamphorhynchus nyob needle-zoo li cov hniav, uas yog angled rau pem hauv ntej, nrog ib tug nkhaus, ntse, beak-zoo li lub taub hau tsis muaj hniav. Lawv cov zaub mov mas yog ntses thiab kab.
Puas Archeopteryx puas muaj plaub?
Ntau yam qauv ntawm Archeopteryx tau pom tias nws muaj davhlau thiab tail plaub, thiab khaws cia zoo "Berlin Specimen" pom tus tsiaj kuj muaj lub cev plumage uas suav nrog kev tsim zoo " trouser" feathers on ob txhais ceg.
Pob pterosaurs puas muaj hniav?
Feem ntau cov pob txha taub hau pterosaur muaj lub puab tsaig elongated. Lawv cov pob txha taub hau zoo li fused hauv cov neeg laus. Thaum pterosaurs feem ntau muaj cov hniav heterodont, sib txawv hauv kev tsim, thiab qee qhov tseem muaj cov hniav hauv lub palate. Hauv cov pab pawg tom qab cov hniav feem ntau ua conical.
