Katin Dino No. 1713 na 2 027

Stenopterygius

Sunan yana nufin: “kunkuntar fikafiki”1

Ya ci: NamaIchthyosaursFarkon Jurassic zuwa Tsakiyar JurassicBa dinosaur ba ne a zahiri

Stenopterygius wani dabba ne mai rarrafe na ruwa mai saurin iyo wanda ya rayu a cikin tekun Jurassic. Yana kama da dolphin amma a zahiri ichthyosaur ne, ba dinosaur ba. Yana da dogon baki cike da haƙora kuma yana farautar kifi da squid.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 184 zuwa 171 da suka wuce3

Farkon Jurassic zuwa Tsakiyar Jurassic

Burbushin halittu da aka samo a

Jamus, Ingila, Faransa, Luxembourg da Switzerland1 3

Tsawo

2 zuwa 4 m (6.6 zuwa 13 ft)1

matasa manya kimanin m 2, mafi girman nau'in har zuwa m 4

Mafi girman gudu

kusan 48 km/h (30 mph)

Iyo, ƙiyasi

Me Stenopterygius yake ci?

Stenopterygius yana farautar kifi, cephalopods, da sauran dabbobi a cikin buɗaɗɗen teku. Ƙasusuwan galibi suna ɗauke da ragowar abincinsa na ƙarshe a yankin ciki.

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 Stenopterygius 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)

Stenopterygius 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

Stenopterygius yana da ƙaramin kwanyar kai da kunkuntattun fikafikai idan aka kwatanta da danginsa Ichthyosaurus.1

Wani ƙashin da aka adana sosai yana nuna alamun fata, wanda ke bayyana cewa Stenopterygius yana da launi biyu: duhu a baya kuma haske a ciki.1

Ƙasusuwan Stenopterygius galibi suna ɗauke da ragowar abincinsa na ƙarshe a yankin ciki.1

Wutsiyarsa tana ƙarewa da babban fikafiki na tsaye mai kama da fata, kuma yana da fikafiki na triangular a bayansa.1

Stenopterygius ya rayu a lokacin Early da Middle Jurassic, kimanin shekaru miliyan 183 zuwa 173 da suka wuce.1

Samfurin Stenopterygius quadriscissus cikakken kwarangwal ne wanda har ma ya adana babban ɗan tayi a ciki.1

Hoton Stenopterygius da aka yi da AI — Hoton yadda Stenopterygius 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 Stenopterygius

?Yaya girman Stenopterygius yake?

Stenopterygius ichthyosaur ne mai matsakaicin girma, inda yawancin nau'in suka kai kimanin mita 3.5 tsayi, yayin da mafi girma, S. uniter, zai iya wuce mita 4.1

?Me Stenopterygius yake ci?

Stenopterygius yana farautar kifi, cephalopods, da sauran dabbobi a cikin buɗaɗɗen teku. Ƙasusuwan galibi suna ɗauke da ragowar abincinsa na ƙarshe a yankin ciki.1

?Shin Stenopterygius dinosaur ne?

A'a, Stenopterygius ichthyosaur ne, dabba mai rarrafe na ruwa, ba dinosaur ba. Yana kama da dolphin amma a zahiri wani rukuni ne na daban na dabbobi masu rarrafe.1

?Shin Stenopterygius yana haihuwar ɗa kai tsaye?

Eh, Stenopterygius yana haihuwar ɗa kai tsaye, kuma wani shahararren ƙashi yana nuna uwa wadda ta mutu yayin haihuwa. Ya fi son haihuwa ta hanyar wutsiya da farko, kamar dolphins da kifin whale na zamani.1

Don ƙwararrun dino

Sunan kimiyya: Stenopterygius
Wanda ya ba da suna: Jaekel 19043
Rukuni: Ichthyosaurs
Iyali / rukuni: Thunnosauria3
Rarrabewa: Ichthyosauria > Ichthyosauromorpha3
Zamanin duwatsu: shekaru miliyan 184 zuwa 171 (Toarcian / Aalenian)3
Tsarin duwatsu: Posidonia Shale, Opalinuston, Beacon Limstone3
Kasashe: Jamus, Birtaniya, Luxembourg, Faransa3
Rubutun burbushin halittu: 47 a cikin Bayanan Paleobiology3
Gano: Quenstedt ne ya fara ba da sunan nau'in Ichthyosaurus quadriscissus a shekarar 1856. Otto Jaekel ne ya ba shi nasa jinsin, Stenopterygius, a shekarar 1904.1
Har yanzu ana muhawara: Masana har yanzu suna muhawara kan yawan nau'in Stenopterygius da suka wanzu, saboda ƙasusuwan da aka gano galibi ba su cika ba.2

Inda bayanan suka fito

Stenopterygius (en.wikipedia.org)
First Diagnostic Marine Reptile Remains from the Aalenian (Middle Jurassic): A New Ichthyosaur from Southwestern Germany | PLOS One (journals.plos.org)
Stenopterygius in The Paleobiology Database (CC BY 4.0): shekaru, wurare, nau'in duwatsu, rarrabawa.

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