Dino Wiki / Zonke iidayinaso / Ii-ichthyosauri

Ikhadi ledayinaso No. 1713 kwe-2 027

Stenopterygius

Igama lithetha: “narrow fin”1

Yayitya: InyamaIi-ichthyosauriiJurassic yokuqala ukuya ku-iJurassic ephakathiNgokwenene ayisiyo dayinaso

Stenopterygius was a fast-swimming marine reptile that lived in the Jurassic seas. It looked a bit like a dolphin but was actually an ichthyosaur, not a dinosaur. It had a long beak full of teeth and chased after fish and squid.1

Inyani emnandi: esi sirhubuluzi saselwandle sasiqubha ngelixa iidayinaso zazihamba emhlabeni. Wonke umntu uzibiza ngokuba ziidayinaso, kodwa zazilisebe elahlukileyo lezirhubuluzi.

Yaphila

184 ukuya ku-171 izigidi zeminyaka eyadlulayo3

iJurassic yokuqala ukuya ku-iJurassic ephakathi

Iifosili zifunyenwe:

Germany, England, France, Luxembourg and Switzerland1 3

Ubude

2 ukuya ku-4 m (6.6 ukuya ku-13 ft)1

Esona santya siphezulu

malunga ne-48 km/h (30 mph)

Ukuqubha, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

inde njengezinja ezingama-4, impumlo ukuya emsileniinde njengeebhanana ezingama-22 zilandelelanaibinokuqubha ubude bechibi elikhulu lokuqubha (50 m) ngemizuzwana engama-3.8

Stenopterygius wayemkhulu kangakanani xa ethelekiswa NAWE?

Yimathematika nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwe naphi na.

Yayikhawuleza kangakanani?

Umntu ohambayo malunga ne-5 km/h (3 mph)

Umntwana ekhwele ibhayisikile malunga ne-12 km/h (7 mph)

Stenopterygius malunga ne-48 km/h (30 mph)

Ihashe elibaleka ngamandla malunga ne-65 km/h (40 mph)

Ingwenkala malunga ne-100 km/h (62 mph)

izinto ezimnandi

Iinyani ezimnandi

Stenopterygius had a small skull and narrow flippers compared to its relative Ichthyosaurus.1

One well-preserved fossil shows traces of skin, revealing that Stenopterygius was countershaded: darker on the back and lighter on the belly.1

Fossils of Stenopterygius often contain the remains of its last meal in the stomach area.1

The tail ended in a large, semicircular, leathery vertical fin, and it also had a triangular dorsal fin on its back.1

Stenopterygius lived during the Early and Middle Jurassic, about 183 to 173 million years ago.1

The type specimen of Stenopterygius quadriscissus is a complete skeleton that even preserved a very large embryo inside.1

Umfanekiso owenziwe yi-AI: Stenopterygius — Umfanekiso owenziwe yi-AI obonisa indlela Stenopterygius esenokuba wayekhangeleka ngayo, wenziwe yikhompyutha ngokwento eyaziwa zizazinzulu. Kukuqikelela nje: esona silwanyana sinokuba sasikhangeleka ngenye indlela, kwaye akukho mntu waziyo imibala yaso yokwenyani.

ubuzile

Eyona mibuzo ibuzwa kakhulu: Stenopterygius

?How big was Stenopterygius?

Stenopterygius was a medium sized ichthyosaur, with most species reaching about 3.5 metres long, while the largest, S. uniter, could exceed 4 metres.1

?What did Stenopterygius eat?

Stenopterygius hunted fish, cephalopods, and other animals in the open sea. Fossils often contain the remains of its last meal in the stomach area.1

?Was Stenopterygius a dinosaur?

No, Stenopterygius was an ichthyosaur, a marine reptile, not a dinosaur. It looked a bit like a dolphin but was actually a different group of reptiles.1

?Did Stenopterygius give birth to live young?

Yes, Stenopterygius gave birth to live young, and one famous fossil shows a mother that died in childbirth. It preferred tail-first births, like modern dolphins and whales.1

Kwiingcali zeedayinaso

Igama lenzululwazi: Stenopterygius
Inikwe igama ngu:: Jaekel 19043
Iqela: Ii-ichthyosauri
Usapho / iclade: Thunnosauria3
Ukuhlelwa: Ichthyosauria > Ichthyosauromorpha3
Ubudala bamatye: 184 ukuya ku-171 izigidi zeminyaka (Toarcian / Aalenian)3
Izakhiwo zamatye: Posidonia Shale, Opalinuston, Beacon Limstone3
Amazwe: iJamani, iUnited Kingdom, iLuxembourg, iFransi3
Iirekhodi zeefosili: 47 kwi-Paleobiology Database3
Ukufunyanwa: The species was first named as Ichthyosaurus quadriscissus by Quenstedt in 1856. Otto Jaekel gave it its own genus, Stenopterygius, in 1904.1
Kusaxoxwa ngayo: Scientists are still debating exactly how many species of Stenopterygius existed, because the fossils are often incomplete.2

Apho iinyani zivela khona

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): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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