Sisteronia

Igama lisho ukuthi: “Okuka-Sister, yaqanjwa ngesifunda sase-Sisteron eFrance”1

Udla: InyamaAma-ichthyosaurEarly Cretaceous kuya ku-Late CretaceousAkuyona i-dinosaur ngempela

I-Sisteronia kwakuyisilwane sasolwandle esisheshayo esasiyisirigudu esihlala ezilwandle zesikhathi se-Cretaceous. Yayinezinyo ezibukhali zokubamba izinhlanzi ezincane nezinkalankala. I-Sisteronia yayiyisirigudu (ichthyosaur), hhayi isilwane esiyidinosaur, futhi yayibukeka kancane njenge-dolphin yanamuhla.1 2

Iqiniso elimnandi: lesi silwane sasolwandle sasibhukuda ngenkathi ama-dinosaur ehamba emhlabathini. Wonke umuntu ubabiza ngama-dino, kodwa ayeyigatsha elihlukile lezilwane ezihuquzelayo.

Yaphila

113 kuya ku-94 wezigidi zeminyaka edlule3

Early Cretaceous kuya ku-Late Cretaceous

Izinsalela ezitholwe e-

eNgilandi (Gault Formation, Cambridge Greensand Member), eFrance (Vocontian Basin), naseRussia3 1

Isivinini esiphezulu

cishe 46 km/h (29 mph)

Ukubhukuda, isilinganiso

Yaphila nini?

Triassic

Jurassic

I-Cretaceous

Izigidi ezingama-252 eminyakeni edlule20114566, i-asteroid (isikhathi lapho i-asteroid ishaya)

Yayishesha kangakanani?

Umuntu ohambayo cishe 5 km/h (3 mph)

Ingane esebhayisikilini cishe 12 km/h (7 mph)

Sisteronia cishe 46 km/h (29 mph)

Ihhashi eligijimayo cishe 65 km/h (40 mph)

Ingwe cishe 100 km/h (62 mph)

izinto ezinhle

Amaqiniso amnandi

I-Sisteronia yayinezinyo ezazimise okukanxande uma uzibuka ngaphakathi, okuyinto engajwayelekile phakathi kwezirigudu.2

Yayihlala phakathi nezigaba ze-Albian ne-Cenomanian zesikhathi se-Cretaceous, cishe eminyakeni eyizigidi ezingu-112 kuya kwezingu-100 edlule.2

I-Sisteronia yaziwa ngamathambo atholakala eNgilandi, eFrance, naseRussia, okubonisa ukuthi yayihlala ezilwandle zaseNtshonalanga Yurophu.3

Lesi sirigudu sasisesiqenjini i-Platypterygiinae, okwakuyizirigudu zokugcina ezasinda ngaphambi kokuba zishabalale.2

Igama elithi Sisteronia livela edolobheni lase-Sisteron eFrance, eduze nalapho kwatholakala khona amanye amathambo ayo.1

I-Sisteronia yayinento ephakamile phansi komgodi we-foramen magnum (umgodi osekhanda lapho kudlula khona umgogodla), isici esiyingqayizivele esingabonakali kwezinye izirigudu.2

Isithombe sika-Sisteronia esenziwe nge-AI sokuthi kungenzeka ukuthi wayebukeka kanjani, senziwe yikhompyutha ngokusekelwe kulokho okwaziwa ososayensi. Lokhu kuwukuqagela: isilwane sangempela kungenzeka ukuthi sasibukeka ngokuhlukile, futhi akekho owazi imibala yaso yangempela.

Ochwepheshe bama-dino

Igama lesayensi: Sisteronia
Iqanjwe ngu: Fischer et al. 20143
Iqembu: Ama-ichthyosaur
Umndeni / i-clade: Ophthalmosauridae3
Ukuhlukaniswa: Ichthyosauria > Ichthyosauromorpha3
Inkathi yamadwala: 113 kuya ku-94 wezigidi zeminyaka (Albian / Cenomanian)3
Izakhiwo zamatshe: Marnes bleues, West Melbury Marly Chalk, Gault3
Amazwe: United Kingdom, France, Russia3
Izinsalela ezitholiwe: 6 ku-Paleobiology Database3
Ukutholakala: I-Sisteronia yaqanjwa nguFischer nozakwabo ngonyaka ka-2014, ngokusekelwe emathanjeni atholakala e-Cambridge Greensand Member eNgilandi nase-Vocontian Basin eFrance.3 1
Kusaphikiswana ngakho: Ososayensi basaphikisana ngokuthi zazihlukahlukene kangakanani izirigudu (ichthyosaurs) zesikhathi se-Cretaceous, nokuthi ngabe i-Sisteronia yayiyingxenye yendawo yaseYurophu eyayinezinhlobonhlobo zezirigudu.1

Lapho amaqiniso evela khona

High Diversity in Cretaceous Ichthyosaurs from Europe Prior to Their Extinction (pmc.ncbi.nlm.nih.gov)
Sisteronia (en.wikipedia.org)
Sisteronia in The Paleobiology Database (CC BY 4.0): iminyaka, izindawo, izakhiwo zamadwala, ukuhlukaniswa.

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