Katin Dino No. 0564 na 2 027

Edgarosaurus

Sunan yana nufin: “Kada na Edgar”3

Ya ci: NamaPlesiosaursFarkon Cretaceous zuwa Ƙarshen CretaceousBa dinosaur ba ne a zahiri

Edgarosaurus wani plesiosaur ne mai gajeren wuya wanda yake iyo a cikin dumi, ruwan teku mai zurfin gaske wanda ya taɓa rufe Montana. Yana amfani da dogon hancinsa da kaifafan haƙoransa don kama kifi da sauran abubuwan da suke zamewa.1 2

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 106 zuwa 94 da suka wuce3

Farkon Cretaceous zuwa Ƙarshen Cretaceous

Burbushin halittu da aka samo a

Montana, Amurka3

Tsawo

3.5 m (11 ft)2

an kiyasta

Mafi girman gudu

kusan 29 km/h (18 mph)

Iyo, ƙiyasi

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 19 a jerezai iya yin iyo tsawon babban wurin wanka (50 m) cikin daƙiƙa 6.2

Yaya girman Edgarosaurus 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)

Edgarosaurus kusan 29 km/h (18 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

Edgarosaurus yana da gajeren wuya da dogon hanci, ba kamar plesiosaurs masu dogon wuya kamar Elasmosaurus ba.1

Kwanyarsa tana ɗaya daga cikin tsofaffi kuma mafi kyawun kwanyar plesiosaur da aka adana daga zamanin Cretaceous na Arewacin Amurka.1

Edgarosaurus yana da ƙashin wuya 26, wanda ya fi na wasu plesiosaurs masu gajeren wuya kamar Dolichorhynchops (wanda yake da 19).2

Yana da ƙaramin rami a saman kwanyarsa da ake kira pineal foramen, wanda wasu plesiosaurs ɗin ba su da shi.2

Burbushin Edgarosaurus guda ɗaya da aka sani an gano shi ne a cikin Thermopolis Shale, wanda ya taɓa zama kasan teku na Western Interior Seaway.1

Edgarosaurus ya rayu kimanin shekaru miliyan 106 zuwa 94 da suka wuce, a lokacin Late Cretaceous.2

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

Don ƙwararrun dino

Sunan kimiyya: Edgarosaurus
Wanda ya ba da suna: Druckenmiller 20023
Rukuni: Plesiosaurs
Iyali / rukuni: Polycotylidae3
Rarrabewa: Plesiosauria > Sauropterygia3
Zamanin duwatsu: shekaru miliyan 106 zuwa 94 (Albian / Cenomanian)3
Tsarin duwatsu: Thermopolis Shale3
Kasashe: Amurka3
Rubutun burbushin halittu: 1 a cikin Bayanan Paleobiology3
Gano: Pat S. Druckenmiller ne ya ba Edgarosaurus suna a shekarar 2002, bisa ga wani ɓangaren kwarangwal da aka gano a Montana. Samfurin ya haɗa da cikakkiyar kwanya, ƙashin baya da yawa, da kuma gaban hannu.1 3
Har yanzu ana muhawara: Masana ba su da tabbacin yadda Edgarosaurus yake da alaƙa da sauran plesiosaurs ba. Wasu suna sanya shi a cikin rukunin Polycotylidae, amma har yanzu ana muhawara kan danginsa.1

Inda bayanan suka fito

Osteology of a new plesiosaur from the lower Cretaceous (Albian) Thermopolis Shale of Montana (tandfonline.com)
PBDB Taxon (paleobiodb.org)
Edgarosaurus 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.

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