Dianmeisaurus

Igama lithetha: “beautiful lizard from Dian (an old name for Yunnan, China)”1

Yayitya: InyamaIzirhubuluzi zaselwandleiTriassic ephakathiNgokwenene ayisiyo dayinaso

Dianmeisaurus was a tiny, slender marine reptile that swam in warm seas during the Middle Triassic, about 245 million years ago. It had a long body and a small head with big eyes, and it probably hunted small fish and shrimp in the water.2 3

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

Yaphila

247 ukuya ku-241 izigidi zeminyaka eyadlulayo4

iTriassic ephakathi

Iifosili zifunyenwe:

Luoping County, Yunnan Province, China2 3

Ubude

0.5 m (1.6 ft)3

Esona santya siphezulu

malunga ne-4 km/h (2 mph)

Ukuqubha, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

inde njengeebhanana ezingama-3 zilandelelanainde njengezitena zokudlala ezingama-16 zilandelelanaibinokuqubha ubude bechibi elikhulu lokuqubha (50 m) ngemizuzwana engama-45

Dianmeisaurus wayemkhulu kangakanani xa ethelekiswa NAWE?

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

Yayikhawuleza kangakanani?

Dianmeisaurus malunga ne-4 km/h (2 mph)

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

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

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

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

izinto ezimnandi

Iinyani ezimnandi

Dianmeisaurus was very small, with a total body length of less than 50 centimetres (about 20 inches).3

It had 41 vertebrae in its neck and back before the hips, which is a lot for such a small reptile.3

Its eyes were very large compared to the openings behind them on the skull, helping it see in dim water.3

The space between its eyes was extremely narrow, a feature that helps scientists tell it apart from similar reptiles.2 1

Dianmeisaurus lived alongside two other small marine reptiles in the same ancient sea: Diandongosaurus and Dianopachysaurus.3

The second species, Dianmeisaurus mutaensis, was named in 2024 and its skeleton probably came from a young animal.1

Its front leg bones (the ulna) were wider at the top than at the bottom, which is unusual.3

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

Kwiingcali zeedayinaso

Igama lenzululwazi: Dianmeisaurus
Inikwe igama ngu:: Shang and Li 20154
Iqela: Izirhubuluzi zaselwandle
Usapho / iclade: Pachypleurosauria4
Ukuhlelwa: Sauropterygia4
Ubudala bamatye: 247 ukuya ku-241 izigidi zeminyaka ()4
Izakhiwo zamatye: Guanling4
Amazwe: iTshayina4
Iirekhodi zeefosili: 2 kwi-Paleobiology Database4
Ukufunyanwa: The first species, Dianmeisaurus gracilis, was named by Shang Qinghua and Li Chun in 2015 based on a nearly complete skeleton from Luoping, Yunnan, China. A second species, D. mutaensis, was added in 2024 by Hu, Li and Liu.2 1 3
Kusaxoxwa ngayo: Scientists are still debating whether Dianmeisaurus is more closely related to European pachypleurosaurs or to the nothosauroid group of marine reptiles.3

Apho iinyani zivela khona

Dianmeisaurus (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
A new small-sized eosauropterygian（Diapsida:Sauropterygia） from the Middle Triassic of Luoping,Yunnan,southwestern China Chinese Full Text (cnki.net)
Dianmeisaurus in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

Yonke inyani ekweli phepha inenombolo ebonisa umthombo wayo. Ukuba siphosisile, uxolo, sithanda iidayinaso, asiyojenali yenzululwazi. Sixelele apha: [email protected], siya kuyilungisa.

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