![]() | Shugaban:
Shugaban pliosaurus kunkuntar, elongated. Tsawon kwanyar 2 mita 2.5. Bakin yana kama da bakin mawuyacin hali, kawai tare da manyan hakora na ɓangaren triangular. Jaws na pliosaurus suna da ƙarfi, suna iya murƙushe ƙasusuwan wanda abin ya shafa. Sau ɗaya cikin irin waɗannan “dutsen niƙa”, abu ne mai wuya kuɓuta.
Tsarin Jikin:
Jikin pliosaurus mai tsawo ne da kunkuntar, wanda aka daidaita sosai don motsawa cikin ruwa. Filatotous ɗin ya motsa tare da taimakon ƙusoshin ƙusoshin hudu, kamar tsayin mita 2. Gashinan zakaran yayi gajere. Wadanda suka ioan sara sun yi kama da kcwa a cikin sigar jiki, amma a maimakon saɓanin paws suna da ƙamshi da ƙusoshin kunkuntar da gajeren wutsiya.
Rayuwa:
Plyosaurs sun kasance marasa aure. Sun ci kusan duk abin da za su iya kamawa. Ganin girman su, wataƙila ba su da abokan gaba. Pliosaurus ya zagaya yankin ba kawai don neman abinci ba, har ma ya kare shi daga dangin sa. Ba tare da bata lokaci ba, ya farmaki "baƙi da ba a gayyatarsu ba." Sauran masu farautar ruwa, kyankyasai da ichthyosaurs, na iya zama masu cutar ta su. Tare da babban bakin, pliosaurus zai iya ciji karamin dabba a cikin rabi. Abubuwan da aka samo daga kwayar halittar halittar sun bayyana cewa shima yaci abinci, wato cin dinosaur wanda nutsar cikin ruwa.
Haihuwar rayuwa:
Duk da cewa Pliosaurs suna zaune a tekuna, sun kasance masu rarrafe ne kuma suna sha iska. Ba kamar sauran halittu masu rarrafe ba waɗanda suka tafi ƙasa, sun kasa sa ƙwai. Pliosaurs, kamar sauran dabbobi masu rarrafe da suka dace da rayuwa a cikin tekuna, sun dace da rayuwar haihuwa. Pliosaurs sun haɗu a cikin mahaifar kuma an haife su ta hanyar dabbobin da aka riga aka kirkira, kuma basu ƙyanƙyashe daga ƙwai kamar dabbobi masu rarrafe ba.
Kindre da ire-iren jinsi:
Da farko ana ɗaukarsa mai rarrafe kamar kada, sabanin plesiosaur da doguwar wuya. Babban dangi na pliosaurus shine lyopleurodron. Bambanci tsakanin su suna cikin tsarin kwanyar da kuma hakoran daban. Ba kamar lyopleurodon ba, hakoran pliosaurus sune triangular a sashi, ba conical. A waje, bambance-bambancen da ke tsakanin su da alama babu su.
Akwai nau'ikan pliosaurs:
- Pliosaurus brachydeirus (nau'in nau'in), daga Kimmeridge na Ingila.
- Pliosaurus brachyspondylus - shima daga Kimmeridge na Ingila, an san shi da kwarangwal dinsa gaba daya.
- Pliosaurus andrewsi - daga Callovian na Ingila, babban tsari mai hakora wanda aka zagaye shi a giciye.
- Pliosaurus irgisensis - daga layin Volga na yankin Saratov. An gano wani kwarangwal ɗin da bai cika ba a cikin 1933 a cikin K.I. Savelyevsky shale mine Zhuravlev, N.I. ya bayyana. Novozhilov a shekara 1948. Asalinsu an sanya shi ne ga halittar
Me kika ci kuma wane salon rayuwa
Sun farauta ne tun haihuwa. Sabuwar dinosaur ta faru a cikin ruwa. Ba su da wadataccen abinci, suna cin duk abin da suka gani. Saboda girmansu da ƙarfinsu, sun yi nasara a kowane yaƙi. Ba su da abokan gabansu na yau da kullun, don haka suka fara kaiwa hari, kodayake sauran zavres 'yan uwansu ne. Hakanan a lokuta da dama ana kaiwa hari ga magabatan da suka shiga ruwa, hakan ana iya tabbatar da gaskiyar cewa a cikin cikin kwayar halittar da aka adana daga cikin kwayoyin halittar, masana binciken burbushin halittu sun gano gawarwakin wadannan dinosaurs fuka-fukai.
Shugaban
Kwanyar mai kula da pliosaurus ita ce mafi girma a cikin dukkan masu hasashen yanayi, tsayinsa zai iya kaiwa zuwa 2.7 m. Godiya ga babbar, hakora mai karfi da tsumma, ya zama ya sauƙaƙa cizon wanda aka cutar a rabi kuma ya murƙushe ƙasusuwa ga wannan nau'in. Irin wannan ikon bai bar damar da rayuwa ba bayan cizo.
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