Plesiopterys

Igama lithetha: “near wing”1

Yayitya: InyamaIiplesiosauriiJurassic yokuqalaNgokwenene ayisiyo dayinaso

Plesiopterys was a small, long-necked marine reptile that swam in the warm seas of Early Jurassic Germany. It had flippers like paddles and a mouth full of sharp teeth for catching 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-183 izigidi zeminyaka eyadlulayo3

iJurassic yokuqala

Iifosili zifunyenwe:

Posidonienschiefer near Holzmaden, Baden-Württemberg, Germany1 3

Ubude

2.2 ukuya ku-3 m (7.2 ukuya ku-9.8 ft)1 2

Esona santya siphezulu

malunga ne-28 km/h (17 mph)

Ukuqubha, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

inde njengezinja ezingama-3, impumlo ukuya emsileniinde njengeebhanana ezingama-17 zilandelelanaibinokuqubha ubude bechibi elikhulu lokuqubha (50 m) ngemizuzwana engama-6.4

Plesiopterys 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)

Plesiopterys malunga ne-28 km/h (17 mph)

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

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

izinto ezimnandi

Iinyani ezimnandi

Plesiopterys had 39 neck vertebrae, giving it a long, flexible neck.2

One fossil of Plesiopterys preserves traces of scaly skin on its front flipper and smooth skin on its tail.1

The tail skin of that fossil also contains dark-colored melanosomes, which are pigment cells that may have given the animal a dark color.1

Plesiopterys is one of the most primitive plesiosaurs known, meaning it had many features from earlier ancestors.2

Its skull was small compared to its neck, only about 17 percent of the neck length.2

The name Plesiopterys also refers to the pterygoid bones in the roof of its mouth, which are important for identifying the species.1

Umfanekiso owenziwe yi-AI: Plesiopterys — Umfanekiso owenziwe yi-AI obonisa indlela Plesiopterys 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: Plesiopterys
Inikwe igama ngu:: O'Keefe 20043
Iqela: Iiplesiosauri
Usapho / iclade: Plesiosauroidea3
Ukuhlelwa: Plesiosauria > Sauropterygia3
Ubudala bamatye: 184 ukuya ku-183 izigidi zeminyaka (Toarcian)3
Izakhiwo zamatye: Posidonienschiefer3
Amazwe: iJamani3
Iirekhodi zeefosili: 1 kwi-Paleobiology Database3
Ukufunyanwa: Plesiopterys was named in 2004 by paleontologist F. Robin O'Keefe, based on a skeleton found in the 19th century near Holzmaden, Germany. The species name P. wildi honors German paleontologist Rupert Wild.1 2
Kusaxoxwa ngayo: Scientists debate whether Plesiopterys is a separate species or the same as another plesiosaur called Seeleyosaurus guilelmiimperatoris.1

Apho iinyani zivela khona

Plesiopterys (en.wikipedia.org)
pleo_78_511.973_988.tp (doc.rero.ch)
Plesiopterys in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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