Katin Dino No. 1489 na 2 027

Protoichthyosaurus

Sunan yana nufin: “kifi mai siffar kadangare na farko”1

Ya ci: NamaIchthyosaursFarkon JurassicBa dinosaur ba ne a zahiri

Protoichthyosaurus wani tsohon dabba mai rarrafe na cikin ruwa wanda yake kama da dolphin mai dogon hanci da kuma fikafikan ninkaya. Yana ninkaya a cikin ruwan teku masu dumi da kuma marasa zurfi waɗanda suka mamaye sassan ƙasar Ingila a lokacin farkon zamanin Jurassic, kimanin shekaru 200 miliyan da suka wuce.1

Gaskiya mai ban sha'awa: wannan dabbar ruwa mai rarrafe tana iyo yayin da dinosaur suke tafiya a ƙasa. Kowa yana kiran su dino, amma reshe ne daban na dabbobi masu rarrafe.

Ya rayu

shekaru miliyan 201 zuwa 184 da suka wuce4

Farkon Jurassic

Burbushin halittu da aka samo a

Ingila (Dorset, Somerset, Nottinghamshire, Leicestershire, Warwickshire, Glamorgan a Wales) da kuma wataƙila Switzerland1

Tsawo

2 zuwa 4 m (6.6 zuwa 13 ft)1

babban samfurin kimanin mita 3.2 zuwa 4, yawancinsu ƙasa da mita 2.5

Mafi girman gudu

kusan 48 km/h (30 mph)

Iyo, ƙiyasi

Me Protoichthyosaurus yake ci?

Haƙoransa suna da zurfafan layi-layi kuma suna da tushe mai ƙarfi, wanda hakan ke nuna cewa yana cin kifi da sauran ƙananan dabbobin ruwa, amma bayanan ba su faɗi takamaiman abincinsa ba.

Yaushe ya rayu?

Triassic

Jurassic

Cretaceous

Shekaru miliyan 252 da suka wuce20114566, dutsen sararin samaniya (asteroid)

Yaya girman sa yake?

Yaya tsawon sa yake?

tsawon karnuka 4 daga hanci zuwa wutsiyatsawon ayaba 22 a jerezai iya yin iyo tsawon babban wurin wanka (50 m) cikin daƙiƙa 3.8

Yaya girman Protoichthyosaurus idan aka kwatanta da KAI?

Lissafi kawai a cikin burauzarka. Babu abin da ake adanawa ko aikawa ko'ina.

Yaya saurin sa yake?

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

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

Protoichthyosaurus kusan 48 km/h (30 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

Robert M. Appleby ne ya fara ba Protoichthyosaurus suna a shekarar 1979, amma na wani lokaci masana kimiyya sun yi tunanin cewa nau'in Ichthyosaurus ne kawai. A shekarar 2017, wani sabon bincike ya nuna cewa shi rukuni ne daban.1

Akwai nau'i guda biyu: P. prostaxalis, wanda zai iya kai tsawon mita 4, da kuma ƙaramin P. applebyi, wanda tsawonsa bai wuce mita 2 ba.1

Fikafikansa na ninkaya suna da tsari na musamman na ƙasusuwan wuyan hannu waɗanda suka taimaka wa masana kimiyya wajen bambanta shi da sauran ichthyosaurs.1

Protoichthyosaurus yana da babban ƙashi mai siffar alwatika a saman muƙamuƙinsa (maxilla) wanda ya fito fiye da ƙasusuwan hancinsa, wanda hakan wani siffa ne na musamman.1

Yawancin burbushin halittun sun fito ne daga tarin Charles Moore, wanda wani lokaci yake gauraya ƙasusuwa daga dabbobi daban-daban, wanda hakan yake sa abin ya zama da wuya ga masana kimiyya.1

Haƙoransa suna da zurfafan layi-layi waɗanda suke sauka har zuwa tushensu, kuma suna manne da ƙarfi a cikin muƙamuƙin.1

Hoton Protoichthyosaurus da aka yi da AI — Hoton yadda Protoichthyosaurus 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.

ka tambaya

Tambayoyin da aka fi yi game da Protoichthyosaurus

?Shin Protoichthyosaurus dinosaur ne?

A'a, shi ichthyosaur ne, dabba mai rarrafe na cikin ruwa wanda ya rayu a cikin teku. Ichthyosaurs ba dinosaurs ba ne.1

?Yaya girman Protoichthyosaurus yake?

Yana da matsakaicin girma. P. prostaxalis ya kai tsawon mita 4 (13 ft), yayin da P. applebyi ya fi ƙanƙanta, inda tsawonsa bai wuce mita 2 (6.6 ft) ba.1

?Me Protoichthyosaurus yake ci?

Haƙoransa suna da zurfafan layi-layi kuma suna da tushe mai ƙarfi, wanda hakan ke nuna cewa yana cin kifi da sauran ƙananan dabbobin ruwa, amma bayanan ba su faɗi takamaiman abincinsa ba.1

?A ina Protoichthyosaurus ya rayu?

Ya rayu a cikin tekun farkon zamanin Jurassic na kudancin Ingila da kuma wataƙila Switzerland. An gano burbushin halittun a Somerset, Dorset, da sauran sassan ƙasar UK.1 3

Tambayi Rex game da Protoichthyosaurus

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: Protoichthyosaurus dinosaur ne.

Gaskiya: Ba dinosaur ba ne. Shi ichthyosaur ne, wani rukuni na dabbobi masu rarrafe na cikin ruwa waɗanda suka rayu a cikin teku a lokaci guda da dinosaurs.1

Don ƙwararrun dino

Sunan kimiyya: Protoichthyosaurus
Wanda ya ba da suna: Appleby 19794
Rukuni: Ichthyosaurs
Iyali / rukuni: Ichthyosauridae4
Rarrabewa: Ichthyosauria > Ichthyosauromorpha4
Zamanin duwatsu: shekaru miliyan 201 zuwa 184 (Hettangian / Pliensbachian)4
Tsarin duwatsu: Blue Lias4
Kasashe: Birtaniya4
Rubutun burbushin halittu: 2 a cikin Bayanan Paleobiology4
Gano: Robert M. Appleby ne ya ba Protoichthyosaurus suna a shekarar 1979 bisa ga burbushin halittun da aka samu a Street, Somerset, Ingila. Babban samfurin (BRLSI M3553) wani ɓangare ne na kwarangwal.1 2
Har yanzu ana muhawara: Masana kimiyya ba su da tabbacin ko nau'i na uku, P. fortimanus, nau'i ne daban ko kuma wani suna ne kawai na ɗaya daga cikin sauran nau'ikan guda biyu.1

Inda bayanan suka fito

Protoichthyosaurus (en.wikipedia.org)
The affinities of Liassic and later ichthyosaurs | The Palaeontological Association (palass.org)
‘Fake fin’ discovery reveals new ichthyosaur species (manchester.ac.uk)
Protoichthyosaurus in The Paleobiology Database (CC BY 4.0): shekaru, wurare, nau'in duwatsu, rarrabawa.

Kowane bayani a wannan shafin yana da lamba da ke nuna tushensa. 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 ɗansa mai son dino, kyauta ba tare da talla ko masu bin diddigi ba. Manya za su iya ba Rex abun ciye-ciye don taimaka wa shafin ya ci gaba da kasancewa a yanar gizo.Ba Rex abinci