Protognathus

Sunan yana nufin: “kadan mai farkon muƙamuƙi”1

Ya ci: TsirraiDinosaur masu dogayen wuyaMiddle Jurassic zuwa Late Jurassic

Protognathosaurus babban dinosaur ne mai dogon wuya mai cin tsirrai wanda ya rayu a ƙasar Sin a lokacin Middle Jurassic. An san shi ne kawai daga wani yanki na ƙashin muƙamuƙinsa na ƙasa, don haka masana kimiyya har yanzu suna ƙoƙarin gano yadda yake.1

Ya rayu

171 zuwa 155 miliyan shekaru da suka wuce3

Middle Jurassic zuwa Late Jurassic

Gudun da ya fi kowa

kusan 15 km/h (9 mph)

Gudu, ƙiyasin adewa

Yaushe ya rayu?

Triassic

Jurassic

Cretaceous

Shekaru miliyan 252 da suka wuce20114566, tauraron dan adam (asteroid)

Yaya saurin sa yake?

Mutum yana tafiya kusan 5 km/h (3 mph)

Yaro a kan keke kusan 12 km/h (7 mph)

Protognathus kusan 15 km/h (9 mph)

Doki mai gudu kusan 65 km/h (40 mph)

Damisa kusan 100 km/h (62 mph)

abubuwa masu ban sha'awa

Gaskiya mai ban sha'awa

An san Protognathosaurus ne kawai daga yanki ɗaya na ƙashin muƙamuƙi na ƙasa, wanda ake kira dentary, wanda ke da wuraren haƙora kusan 18.1

Sunansa na farko shi ne Protognathus, amma an riga an yi amfani da sunan don wani ƙwaro, don haka a shekarar 1991 aka canza shi zuwa Protognathosaurus.1

Muƙamuƙin yana nuna haƙoran da suke girma, wanda shi ya sa sunan nau'in oxyodon yake nufin 'haƙori mai kaifi'.1

Ya rayu kusan shekaru miliyan 168 zuwa 161 da suka wuce, a lokacin Middle Jurassic.1

An gano kashin a cikin Lower Shaximiao Formation, wanda aka yi da yashi da laka daga tsohon tafki.2

Masana kimiyya suna tunanin cewa shi dinosaur ne mai cin tsirrai na farko mai matsakaicin girma, tare da ƙashin muƙamuƙi mai kauri da nauyi.2

Hoton Protognathus da aka yi da AI — Hoton yadda Protognathus zai iya kasancewa wanda aka yi da AI, kwamfuta ce ta yi shi daga abin da masana kimiyya suka sani. Hasashe ne: ainihin dabbar za ta iya zama daban, kuma babu wanda ya san ainihin launukanta.

Tambayi Rex game da Protognathus

Rex yana amsa tambayoyi game da wannan shafi kawai. Tambayoyi 10 a wata.

Rex AI ne kuma yana iya yin kuskure. Yana aiki a kan sabobin da ke EU kuma ba a taɓa adana tambayoyi ba. Kada ka taɓa rubuta sunanka ko wasu abubuwan sirri.

Mai karyata tatsuniya

Tatsuniya: Wasu mutane suna tunanin Protognathosaurus ƙarya ne ko kuma dinosaur da aka ƙirƙira saboda ba a gama gano shi ba.

Gaskiya: Dinosaur ne na gaske, amma masana kimiyya da yawa suna ɗaukar sa a matsayin nomen dubium, wanda ke nufin sunan yana da shakku saboda kashin bai isa a tabbatar da komai ba.1

Don ƙwararrun dino

Sunan kimiyya: Protognathus
Wanda ya ba da suna: Zhang 19883
Rukuni: Dinosaur masu dogayen wuya
Iyali / rukuni: Cetiosauridae3
Rarrabewa: Sauropodomorpha > Sauropoda3
Zamanin duwatsu: 171 zuwa 155 miliyan shekaru (Bajocian / Oxfordian)3
Rubutun burbushin halittu: 1 a cikin Bayanan Paleobiology3
Gano: A shekarar 1988, Zhang Yihun ya ba da suna kuma ya bayyana nau'in Protognathus oxyodon daga wani muƙamuƙi da aka gano a Sin. A shekarar 1991, George Olshevsky ya sake masa suna zuwa Protognathosaurus saboda tsohon sunan an riga an yi amfani da shi.1
Har yanzu ana muhawara: Masana kimiyya suna muhawara ko Protognathosaurus nau'in gaskiya ne ko kuma nomen dubium, saboda kashin da aka gano yanki ne kawai na muƙamuƙi.1

Inda bayanan suka fito

Protognathosaurus (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Protognathus in The Paleobiology Database (CC BY 4.0): shekaru, wurare, nau'in duwatsu, rarrabawa.

Kowane gaskiya a wannan shafin yana da lamba da ke nuna tushenta. Idan mun yi kuskure, yi haƙuri, mu masoyan dino ne, ba mujallar kimiyya ba. Faɗa mana a [email protected] kuma za mu gyara shi.

Rex yana jin yunwa! Dino Wiki aikin uba ne don dansa mai son dino, kyauta ba tare da talla ko masu bin diddigi ba. Manyan mutane za su iya ba Rex abun ciye-ciye don taimakawa wajen ci gaba da kasancewa a yanar gizo.Ba Rex abinci