Katin Dino No. 1462 na 2 027

Portunatasaurus

Sunan yana nufin: “kadangaren Dugi Otok”1

Ya ci: NamaMosasaursƘarshen CretaceousBa dinosaur ba ne a zahiri

Portunatasaurus karamin kadangaren ruwa ne wanda yake yin iyo a cikin tekuna masu dumi a lokacin dinosaur. Yana da tsawon mita 1 kawai, kamar tsawon katako na zamani (skateboard), kuma yana da dogon jiki da hannaye na musamman masu kama da fiffike.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 100 zuwa 90 da suka wuce4

Ƙarshen Cretaceous

Burbushin halittu da aka samo a

tsibirin Dugi Otok, Croatia1 2

Tsawo

1 m (3.3 ft)1

Mafi girman gudu

kusan 12 km/h (7 mph)

Iyo, ƙiyasi

Me Portunatasaurus yake ci?

Masana kimiyya ba su da tabbas, amma tunda ba a ga muƙamuƙinsa ba, ba a san abin da yake ci 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 kyanwar gida 2 daga hanci zuwa wutsiyatsawon ayaba 6 a jerezai iya yin iyo tsawon babban wurin wanka (50 m) cikin daƙiƙa 15

Yaya girman Portunatasaurus 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)

Portunatasaurus kusan 12 km/h (7 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

Portunatasaurus yana da kananan kashi 10 a wuyan hannunsa, kamar kadangaren kasa, amma kuma yana da kashin yatsa na farko wanda ya lebur kamar na kadangaren ruwa na baya.2

Hannunsa cakuda ne tsakanin kafar tafiya da fiffiken iyo, wanda ke nuna yadda kadangaru suka koma masu yin iyo a ruwa a hankali.2

Kwarangwal guda daya da aka gano ya kusan cika daga wuya zuwa kwatangwalo, tare da hannun dama wanda ya kiyaye sosai.2

Ya rayu kimanin shekaru miliyan 100 zuwa 90 da suka wuce, a lokacin zamanin Cenomanian da Turonian na karshen zamanin Cretaceous.3

Portunatasaurus shi ne na uku kuma mafi karancin shekaru a cikin aigialosaur (wani nau'in kadangaren ruwa na farko) da aka gano a Croatia.2

Hoton Portunatasaurus da aka yi da AI — Hoton yadda Portunatasaurus 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 Portunatasaurus

?Shin Portunatasaurus dinosaur ne?

A'a, shi wani nau'in kunkuru ne na ruwa mai kama da kifi (mosasauroid), ba dinosaur ba ne.1

?Yaya girman Portunatasaurus?

Tsawonsa ya kai kusan mita 1 (kafa 3.3), kamar tsawon wani babban katako na zamewa (skateboard).1

?Me Portunatasaurus yake ci?

Masana kimiyya ba su da tabbas, amma tunda ba a ga muƙamuƙinsa ba, ba a san abin da yake ci ba.2

?A ina aka sami Portunatasaurus?

An same shi ne a tsibirin Dugi Otok da ke ƙasar Croatia.1 4

Don ƙwararrun dino

Sunan kimiyya: Portunatasaurus
Wanda ya ba da suna: Campbell Mekarski et al. 20194
Rukuni: Mosasaurs
Iyali / rukuni: Mosasauroidea4
Rarrabewa: Mosasauroidea4
Zamanin duwatsu: shekaru miliyan 100 zuwa 90 (Cenomanian / Turonian)4
Kasashe: Croatia4
Rubutun burbushin halittu: 1 a cikin Bayanan Paleobiology4
Gano: An gano kwarangwal din a shekarar 2008 a tsibirin Dugi Otok a Croatia. Masana kimiyya Michelle Mekarski, Dražen Japundžić, Katarina Krizmanić da Michael Caldwell ne suka ba shi suna Portunatasaurus krambergeri a shekarar 2019.1 2
Har yanzu ana muhawara: Masana kimiyya har yanzu suna muhawara kan ko hannunsa mai kama da fiffike ya samo asali ne tun da wuri a tarihin mosasaur ko kuma ya samo asali fiye da sau daya.2

Inda bayanan suka fito

Portunatasaurus (en.wikipedia.org)
Description of a new basal mosasauroid from the Late Cretaceous of Croatia, with comments on the evolution of the mosasauroid forelimb (exa.ai)
PBDB Taxon (paleobiodb.org)
Portunatasaurus in The Paleobiology Database (CC BY 4.0): shekaru, wurare, nau'in duwatsu, rarrabawa.

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