Katin Dino No. 0071 na 2 027

Alexandronectes

Sunan yana nufin: “Mai iyo na Alexander, bayan Alexander McKay wanda ya gano burbushin”1

Ya ci: NamaPlesiosaursƘarshen CretaceousBa dinosaur ba ne a zahiri

Alexandronectes wani dabba ne mai dogon wuya da yake rayuwa a cikin ruwa, wanda ya yi iyo a cikin tekuna kusa da New Zealand kusa da ƙarshen zamanin Dinosaur. Wani nau'in plesiosaur ne da ake kira elasmosaurid, yana da babban kai da gajeren wuya idan aka kwatanta da sauran elasmosaurids. Yana amfani da ƙafafunsa masu ƙarfi don yin iyo a cikin ruwa da kuma farautar kifi da squid.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 84 zuwa 66 da suka wuce4

Ƙarshen Cretaceous

Burbushin halittu da aka samo a

Kogin Waipara, arewa da Christchurch, Canterbury, New Zealand3 1

Mafi girman gudu

kusan 27 km/h (17 mph)

Iyo, ƙiyasi

Me Alexandronectes yake ci?

Wataƙila yana cin kifi da squid, yana amfani da ƙafafunsa masu ƙarfi don yin iyo a cikin ruwa da kuma farauta.

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)

Alexandronectes kusan 27 km/h (17 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

Alexandronectes wani nau'in plesiosaur ne da ake kira aristonectine, rukuni da aka sani da samun kwanyar kai babba fiye da sauran elasmosaurids.1

Kwanyarsa ta fi ta sauran aristonectines kamar Kaiwhekea da Aristonectes ƙanƙanta, wanda ke nuna cewa ba dukan mambobin wannan rukuni ba ne manyan halittu.1

Alexander McKay, wani sanannen mai farautar burbushin halittu na New Zealand, ne ya tattara burbushin Alexandronectes a shekarar 1872, amma masana kimiyya ba su ba dabbar suna ba sai a shekarar 2016.1 3

Sunansa yana nufin 'Mai iyo na Alexander daga Zealandia', yana nuni ga tsohon nahiyar da New Zealand take ciki.1

Alexandronectes ya rayu ne kimanin shekaru miliyan 70 da suka wuce, a lokacin farkon matakin Maastrichtian na ƙarshen zamanin Cretaceous.1 3

Burbushin da aka sani kawai guda biyu ne na bayan kwanyar kai, waɗanda a da aka yi tunanin cewa na dabbobi biyu ne daban-daban.1

Hoton Alexandronectes da aka yi da AI — Hoton yadda Alexandronectes 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 Alexandronectes

?Shin Alexandronectes dinosaur ne?

A'a, plesiosaur ne, wani nau'in dabba mai dogon wuya da yake rayuwa a cikin ruwa, ba dinosaur ba ne.3

?Yaya girman Alexandronectes yake?

Masana kimiyya ba su san ainihin girmansa ba saboda sassan kwanyarsa kawai aka gano. Kwanyarsa ta fi ta sauran aristonectines kamar Kaiwhekea da Aristonectes ƙanƙanta.3 1

?Me Alexandronectes yake ci?

Wataƙila yana cin kifi da squid, yana amfani da ƙafafunsa masu ƙarfi don yin iyo a cikin ruwa da kuma farauta.3

Don ƙwararrun dino

Sunan kimiyya: Alexandronectes
Wanda ya ba da suna: Otero et al. 20164
Rukuni: Plesiosaurs
Iyali / rukuni: Elasmosauridae4
Rarrabewa: Plesiosauria > Elasmosauridae > Sauropterygia4
Zamanin duwatsu: shekaru miliyan 84 zuwa 66 (Campanian / Maastrichtian)4
Tsarin duwatsu: Conway4
Kasashe: New Zealand4
Rubutun burbushin halittu: 1 a cikin Bayanan Paleobiology4
Gano: Alexander McKay ne ya gano burbushin a shekarar 1872 kusa da Kogin Waipara a New Zealand. An ajiye su a Gidan Tarihi na Canterbury na tsawon shekaru sama da 140 kafin a yi nazari a kuma ba su suna Alexandronectes zealandiensis a shekarar 2016.1 3
Har yanzu ana muhawara: Masana kimiyya ba su da tabbas kan ainihin girman Alexandronectes ba, saboda wani ɓangare na kwanyar kai ne kawai aka gano.1

Inda bayanan suka fito

UJVP_A_1054494_O (sedici.unlp.edu.ar)
PBDB Taxon (paleobiodb.org)
Alexandronectes (en.wikipedia.org)
Alexandronectes in The Paleobiology Database (CC BY 4.0): shekaru, wurare, nau'in duwatsu, rarrabawa.

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