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Jucha

Dzina limatanthauza: “named after Jucha, a snake-like demon from local folklore who can take off her head, referring to the missing skull”1 2

Ankadya: NyamaMaplesiosauriKumayambiriro kwa KretaseKwenikweni si dainoso

Jucha was a long-necked marine reptile that swam in the seas of Early Cretaceous Russia. It was an early elasmosaur, a type of plesiosaur with a very long neck. Jucha is one of the oldest elasmosaurs ever found.1 3

Mfundo yosangalatsa: chokwawa cha m'nyanja ichi chinkasambira pamene madainoso ankayenda pamtunda. Aliyense amazitcha madino, koma zinali nthambi ina ya zokwawa.

Ankakhala

zaka 133 mpaka 126 miliyoni zapitazo3

Kumayambiriro kwa Kretase

Mafosili apezeka ku

Klimovka Formation near Ulyanovsk, European Russia1 3

Utali

5 m (16 ft)1

Liwiro lalikulu kwambiri

pafupifupi 28 km/h (17 mph)

Kusambira, kuyerekeza

Ankakhala liti?

Triasiki

Jurasiki

Kretase

Zaka 252 miliyoni zapitazo20114566, asteroidi

Anali wamkulu bwanji?

Anali wautali bwanji?

wautali ngati agalu 5 otsatizana mphuno ndi mchirawautali ngati nthochi 28 zotsatizanaakanatha kusambira utali wa dziwe lalikulu losambira (50 m) m'masekondi 6.4

Jucha anali wamkulu bwanji poyerekeza ndi IWEYO?

Ndi masamu chabe mu msakatuli wako. Palibe chimene chimasungidwa kapena kutumizidwa kwina kulikonse.

Anali ndi liwiro lotani?

Munthu akuyenda pafupifupi 5 km/h (3 mph)

Mwana pa njinga pafupifupi 12 km/h (7 mph)

Jucha pafupifupi 28 km/h (17 mph)

Hatchi ikuthamanga pafupifupi 65 km/h (40 mph)

Kakwiyo pafupifupi 100 km/h (62 mph)

zinthu zosangalatsa

Mfundo zosangalatsa

Jucha lived about 130 million years ago, during the Early Cretaceous period.1

The only known skeleton of Jucha was discovered in 2007 near the Slantsevy Rudnik village in Russia.1 2

Jucha's neck bones were already getting longer, showing an early step toward the super-long necks of later elasmosaurs.2

The fossil bones were covered in a crust of pyrite, also called fool's gold, which gave the species its name 'squalea' meaning coated.1 2

Jucha lacked some features that later elasmosaurs had, like a heart-shaped hole in the chest bone and a bar across the shoulder blades.2

The name Jucha comes from a Turkic demon that can turn into a dragon and remove its own head, because the fossil skull was missing.1 2

Chithunzi cha Jucha chopangidwa ndi AI — Chithunzi cha momwe Jucha mwina ankaonekera, chopangidwa ndi kompyuta kuchokera pa zomwe asayansi amadziwa. Ndi kungoyerekeza: nyama yeniyeniyo mwina inkaoneka mosiyana, ndipo palibe amene akudziwa mitundu yake yeniyeni.

Kwa akatswiri a madino

Dzina la sayansi: Jucha
Anapatsidwa dzina ndi: Fischer et al. 20203
Gulu: Maplesiosauri
Banja / kladi: Elasmosauridae3
Magawidwe a sayansi: Plesiosauria > Elasmosauridae > Sauropterygia3
Zaka za miyala: zaka 133 mpaka 126 miliyoni (Hauterivian)3
Mapangidwe a miyala: Klimovka3
Mayiko: Rasha3
Zolemba za mafosili: 1 mu The Paleobiology Database3
Kupezeka: Jucha was named in 2020 by Fischer and colleagues. The holotype skeleton was found in 2007 by a field crew led by G. N. Uspensky in the Klimovka Formation of European Russia.1 2
Akukambiranabe: Scientists are not sure exactly how the necks of elasmosaurs evolved. Jucha shows an early attempt at neck lengthening, but the pattern of elongation and shortening in different species is still debated.2

Kumene mfundo zimachokera

Jucha (en.wikipedia.org)
Author postprint version (orbi.uliege.be)
Jucha in The Paleobiology Database (CC BY 4.0): zaka, malo, mapangidwe a miyala, magawidwe a sayansi.

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