Dorygnathus
Dorygnathus waxa uu ahaa xamaarato duusha oo noolaa xilligii Early Jurassic, qiyaastii 180 milyan oo sano ka hor. Waxa uu lahaa baalal gaagaaban oo gaadhaya 1.5 m iyo dabo dheer. Waxa ugu caansan ee uu lahaa waa afkiisa oo ay ka buuxeen ilko waaweyn oo qaloocan xagga hore iyo ilko yaryar oo xagga dambe ah.1
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Xaqiiqooyin xiiso leh
Dorygnathus waxa uu lahaa noocyo kala duwan oo ilko ah: afar ilig oo waaweyn oo ku yaalla daanka sare iyo saddex ama afar xagga hoose ee hore, iyadoo ilko yaryar oo toosan ay ku yaalleen xagga dambe. Tan waxaa loo yaqaannaa heterodonty waana wax naadir ku ah xamaaratada casriga ah.1
Suulka shanaad ee lugihiisa dambe waxa uu ahaa mid aad u dheer oo dhinaca u jeeda. Saynisyahannadu waxay u malaynayaan in laga yaabo inuu taageeri jiray xuub, sida kan ku yaalla baalashiisa.1
Dorygnathus waxa uu ahaa qaraabo dhow oo la leh pterosaur-kii dambe ee Rhamphorhynchus, wuxuuna noolaa isla xilligii pterosaur kale oo la odhan jiray Campylognathoides ee Jarmalka.1
In ka badan 50 muunadood oo Dorygnathus ah ayaa la helay, kuwaas oo intooda badan laga helay miinooyinka dhagaxa slate-ka. Fossillada ugu fiican waxa lagu hayaa Matxafka Gobolka ee Taariikhda Dabiiciga ah ee Stuttgart ee Jarmalka.1
Ilkaha qaar ee Dorygnathus waxay muujinayaan inuu cuni jiray cunto adag sida qolofleyda ama mollusks, ee ma ahayn kalluun oo keliya.1
Dorygnathus-kii ugu yaraa ee la ogaado waxa uu lahaa baalal gaadhaya 60 cm. Saynisyahannadu waxay u malaynayaan in dhallaanka aadka u yaryar aanay u duuli karin meel fog oo ka baxsan badda furan.1
Su'aalaha ugu badan ee ku saabsan Dorygnathus
?Intee in leeg ayuu ahaa Dorygnathus?
Dorygnathus waxa uu lahaa baalal gaadhaya qiyaastii 1.5 m, in kasta oo qaar waaweyn ay gaadheen 1.7 m.12
?Maxuu cuni jiray Dorygnathus?
Dorygnathus waxa uu cuni jiray kalluun yar yar, sida ay muujinayaan hadhaagii cuntada ee ku jiray caloosha fossil-ka. Ilkaha qaarkood waxay sidoo kale muujinayaan inuu cuni jiray cunto adag sida qolofleyda ama mollusks.13
?Dorygnathus ma duuli karay?
Haa, Dorygnathus waxa uu ahaa xamaarato duusha. Waxa uu lahaa baalal ka samaysan maqaar iyo xuubab kale, muruqyadiisa duulimaadkuna waxay ku xidhnaayeen laf-xabad yar oo saddex xagal ah.1
?Dorygnathus ma dinosaur baa?
Maya, Dorygnathus waxa uu ahaa pterosaur, xamaarato duusha oo noolayd xilligii dinosaurs-ka, laakiin ma ahayn dinosaur.1
Weydii Rex wax ku saabsan Dorygnathus
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Khubarada dino
- Magaca sayniska
- Dorygnathus
- Waxaa magacaabay
- Wagner 18604
- Koox
- Xayawaanka duula
- Qoyska / kooxda
- Rhamphorhynchidae4
- Kala soocidda
- Pterosauria > Rhamphorhynchidae4
- Xilligii dhagaxyada
- 184 ilaa 183 milyan oo sano (Toarcian)4
- Dhagaxyada
- Posidonia Shale, Posidonienschiefer, Marne de Flize4
- Waddamada
- Jarmalka, Faransiiska4
- Diiwaanka fossil-ka
- 37 oo ku jira Paleobiology Database4
- Daahfurka
- Fossilkii ugu horreeyay ee Dorygnathus waxa laga helay meel u dhow Banz, Bavaria, Jarmalka, waxaana 1830-kii sharraxay Carl Theodori oo u bixiyay Ornithocephalus banthensis. Sannadkii 1860-kii, Johann Andreas Wagner waxa uu u bixiyay magaca Dorygnathus, oo macnihiisu yahay 'daanka waranka'.1
- Wali waa la isku khilaafsan yahay
- Saynisyahannadu weli way isku khilaafsan yihiin in Dorygnathus uu ku socon jiray laba lugood iyo in kale. Qaarkood waxay u malaynayaan inuu ku socon karay laba lugood dabadiisa dheer awgeed, laakiin inta badan hadda waxay aaminsan yihiin in dhammaan pterosaurs ay ku socon jireen afar lugood.1
Halka xaqiiqadu ka timaaddo
- Dorygnathus (en.wikipedia.org)
- The Early Jurassic Pterosaur Dorygnathus Banthensis (Theodori, 1830) | The Palaeontological Association (palass.org)
- Press | State Museum of Natural History Stuttgart (naturkundemuseum-bw.de)
- Dorygnathus in The Paleobiology Database (CC BY 4.0): da'da, meelaha, qaab-dhismeedka dhagaxyada, kala-soocidda.
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