Lana dinosaurs: hoailona ia mea, hōʻikeʻano, me Kinohi

E like me ke kālā no paleontologists, hoomaka ae la ke kanaka nunui kahiko mea kolo, e makaikai i ka lua hehee ai ma ka hopena o ka Permian wā o kona olaʻana ma luna o ka honua. ʻepekema koi i na mea kolo kahiko mau hele mai hoʻi i loko o ka wai a hiki i kona wa i olaʻi. Ke kumu no ka mea - he nui o ka papa anuʻu loa kai ai, a, o ka papa, palekana.

Nā kai a me ka moana

Ua akamai loa, i ola i loko o nā kai a me ka moana ua i koi mai kahiko mea kolo he kumu ka kūkuluʻana o ke kino: kekahi i wale, e hoole i kaʻiʻo nō o kēia mea kolo e noho i loko o ka wai, akā, me ka hala loa o ka aina shape. No ka laʻana, ka mea, crocodiles a meaola IGIANA.

It E e hoʻomaopopo i ka neʻeʻana, a me ka mana o na dinosaurs i loko o ka wai - ia ka ikehu koina e i wale i ka hapaha o na koina koi 'ia no ko lakou halihali a me ka kokuaia pololei a hiki i ka aina! No hoopuni hoi i ka wai no laila, i kapaʻia primitive dinosaurs - make hope ma ka evolution. Akā, i ka i kekahi moʻolelo.

Ka mua lele dinosaurs - hoi, owai ka mea,?

ʻepekema, i ka mua oiaio wai ? Ueo o dinosaurs Ua pio ka polokalamu Permian Mesosaur ia ho anapsid subclass. Kela manawa, ma hope o ia mau mea i loko o ka wai, hoi a hiki i ka poeikohoia o ka ai-kapaia primitive Diapsid: tangozavry, hovazavrusy a me ka klaudiozavry.

no a pau o ia a hiki i ka mea eozuhy, a hiki i ka lōʻihi o ka wale 50 knm, wale nō i loko o ka waena o ka Triassic wā, ka lele dinosaurs "ulu" mai i mau mika loa, huli hope i kaumaha, a he pilikia mea kolo.

Externally ka mea, ua like nō i kēia lā newts mai o ka papa o amphibians: wai eozuhii i ka lōʻihi huelo, flattened ma ka aoao a me ka nalu i hele hoʻi ma ka torso. Ke Triassic i loko o ke ao nei he mea ole oi aku 5 ka wai kolo pūʻulu. Kekahi o ia mākou wale kamaʻilio nui - ia ka wai eozuhii. E mākou noonoo ma ka au mamuli, a me nā 'ano o ka lele dinosaurs.

placodont

Externally, i kēia mau mea kolo e hoohalike ai uuku loa-waʻa, sila. Lākou lōʻihi ua emi o 1.5 m. Placodont Hoʻoponopono kino, a ua he kālī shape. Alai liʻiliʻi, pōkole wāwae. Nā Papahana holo dinosaurs no e placodont pae i ole oko kuikawaʻano: mea kolo wale hohola ana o kona kino pōkole wāwae awkward, a lana ana e like iki torpedoes.

I haiia ae maluna,, ka mea a pau e pili ana i oiaio dinosaurs-placodont like he nui nā wai mea kolo, lāʻau malumalu ma ka pouli a me ka mea ikea ole. ʻepekema, i kaʻauiʻana o manaoio i keia - na mamo o kekahi mau kahiko anapsid. Aka hoi, i ka makahiki placodont ua pōkole - kēia mau mea originated i loko o ka hoʻomaka o ka Triassic, akā, ma kona hopena loa ole.

nothosaurus

'O kēia kekahi hou e lele ana dinosaurs i noho i loko o ka Triassic au. Lākou nui kīnā 4 m + ka lōʻihi, akā, me ka uie kekahi hapanui hewahewa o ia, he mau nō me ka nui loa emi. Carnivorous mea kolo i ka Hoʻoponopono kino, pōkole huelo, heʻano'ōlewa'ā'ī, e like me ka lōʻihi o ko lākou mau kino.

Ka mea, i kekahi mea uuku poo me ka waha makaukau me ka pahikaua niho. Mau Kāinoa hoʻoneʻe i loko o ka wai ma ka mea ana i repetitive neʻe huelo hoʻomakaʻia i ka hoʻokukeʻana koa, e like me ma kona webbed wawae.

Nothosaurus ina o ka pono ku ae la, ka mea, ua hoopuni piʻi nōʻolua i ke kahakai, a basking i loko o ka lā. ʻepekema, i ka Moana, ua Crossopterygii kahiko? Ueo o ka iʻa. He hana hoihoi 'ia i loko o ka lua o ka hapalua o ka Triassic wā, i hana i kēia mau mea i ka lala kaawale no ka manawa pono-ike wai Moana - plesiosaurs. Lakou ia lakou iho nothosaurus loa iaʻi ma ka hopena o ka Triassic.

Tallatozavry

Me ka Poeikohoia o keia pae kohu nothosaurus luna, wale i ka'ā'ī ua pōkole a me ka nui poo. Nā Papahana holo dinosaurs o keia pae hiki ole ke kapaia kū hoʻokahi: ka mea, e ole hoʻohana 'ana i ka hoe i kona mau kapuwai manamana, a e huki ia lakou, ma ke kino e like me placodont.

ʻepekema, i kaʻauiʻana o manaoio i loaʻa i ua mau mea mai kekahi mau kahiko a me ka primitive anapsid, a hiki mua ma mua o ka hōʻike muaʻia aʻe ka wai eozuhii. make iho la lakou mai ma ka hopena o ka Triassic, like nothosaurus. No mamo ma hope ona i haʻalele.

ichthyosaurs

Kēia hope pūʻulu, a i na poe ma ka loa kaulana a pau ma luna o ka honua lele dinosaurs - ichthyosaurs. Ichthyosaurs maikaʻi ma mua o kekahi 'ē aʻe dinosaurs i hakuloli i ke ola, a noho i loko o nā kai a me ka moana. Ua ua ike ia mau Moana - Diapsid mamo, a me ka mea pono - Ua IKE OLE IA. Ichthyosaurs iʻikeʻia i loko o ka Permian manawa, eia nae ka mea kahiko i koe iho o kēia mau mea kolo e hana ia lower Triassic wā.

Externally ichthyosaurs 'oe a ke kinona o ka i keia la i ka iʻa. Lākou triangular poo me ka lima ā pau me Dolphin poo. Flattened laterally torso vertical ke kōmi 'huelo, a mau kapuwai manamana, huli i haloʻole, hana ia kekahi mau mea a pau kona mua ka wai mai.

Pilikua lana i waena o dinosaurs

Kona inoa, ia ia liopleurodon. He ka nui loa wai Moana o nā manawa, o ka loa? Anoee? Ueo. Kona Ana i no ke kumuhana o ka 'epekema hihia kane. Loa akamai, liopleurodon ka lōʻihi hiki a hiki i 25 mau mika a kaupaona - i ka 150 tona! Wahi a i kekahi, ka mea, o ka mea nui loa Moana i mau noho ma ka Honua. Ma ke ala, ia no ka aina i ka poe mua i oleloia, a noho iho la plesiosaurs ma ka Canyon wā.