Katin Dino No. 1169 na 2 027

Merriamosaurus

Sunan yana nufin: “Kada na Merriam”1

Ya ci: NamaIchthyosaursFarkon Triassic zuwa Tsakiyar TriassicBa dinosaur ba ne a zahiri

Merriamosaurus wata tsohuwar dabbar rarrafe ce ta teku da ta yi iyo a tekunan da ke kewayen yankin da yanzu yake Svalbard, Norway, kimanin shekaru miliyan 248 da suka wuce. Wani nau'in ichthyosaur ne, wato dabbar rarrafe mai kama da dabbar dolphin da ke shaƙar iska amma tana rayuwa a cikin ruwa. Merriamosaurus ya kasance babban mafarauci, yana farautar kifi da sauran halittun teku.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 249 zuwa 247 da suka wuce3

Farkon Triassic zuwa Tsakiyar Triassic

Burbushin halittu da aka samo a

Svalbard da Jan Mayen (Spitsbergen, Norway)1

Mafi girman gudu

kusan 46 km/h (29 mph)

Iyo, ƙiyasi

Yaushe ya rayu?

Triassic

Jurassic

Cretaceous

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

Yaya saurin sa yake?

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

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

Merriamosaurus kusan 46 km/h (29 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

Masana kimiyya Maisch da Matzke ne suka ba Merriamosaurus suna a shekarar 2002.1

Ya rayu a lokacin matakin Spathian na Early Triassic, kimanin shekaru miliyan 248 zuwa 247 da suka wuce.1

Merriamosaurus ya kasance ichthyosaur mai dogayen fikafikai, wanda ke nufin yana da dogayen fikafikai kuma ya kasance dangin farko na ichthyosaurs da suka ci gaba.2

Shi ne mafi ci gaba a cikin ichthyosaurs na farkon zamanin Triassic da aka sani a lokacin da aka bayyana shi.2

Merriamosaurus yana haihuwar ƴaƴa kai tsaye, kamar sauran ichthyosaurs da yawa.1

An sami burbushin halittarsa a cikin Sticky Keep Formation a Spitsbergen.1 2

Hoton Merriamosaurus da aka yi da AI — Hoton yadda Merriamosaurus 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: Merriamosaurus
Wanda ya ba da suna: Maisch and Matzke 20023
Rukuni: Ichthyosaurs
Iyali / rukuni: Merriamosauridae3
Rarrabewa: Ichthyosauria > Ichthyosauromorpha3
Zamanin duwatsu: shekaru miliyan 249 zuwa 247 ()3
Tsarin duwatsu: Sticky Keep3
Kasashe: Svalbard3
Rubutun burbushin halittu: 1 a cikin Bayanan Paleobiology3
Gano: An fara bayyana Merriamosaurus ne daga ƙasusuwa daban-daban, amma daga baya aka sami cikakkun ƙasusuwa a cikin Sticky Keep Formation na Spitsbergen. Michael W. Maisch da Andreas T. Matzke ne suka ba shi suna a shekarar 2002.1 2
Har yanzu ana muhawara: Masana kimiyya ba su da tabbas game da ainihin girman Merriamosaurus saboda ƙasusuwa kaɗan ne aka samu.2

Inda bayanan suka fito

PBDB Taxon (paleobiodb.org)
Observations on Triassic ichthyosaurs. Part IX. The first associated skeletal remains of Merriamosaurus n. g. (Ichthyosauria, Lower Triassic) and their bearing on the systematic position of the Omphalosauria (researchgate.net)
Merriamosaurus in The Paleobiology Database (CC BY 4.0): shekaru, wurare, nau'in duwatsu, rarrabawa.

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