Fresnosaurus

Igama lisho ukuthi: “Isilwane esihuquzelayo sase-Fresno, esiqanjwe nge-Fresno County e-California”1

Udla: InyamaAma-PlesiosaurLate CretaceousAkuyona i-dinosaur ngempela

I-Fresnosaurus yayiyisilwane esikhulu sasolwandle esinentamo ende kakhulu namaphiko okubhukuda esikhundleni semilenze. Yaphila olwandle eduze ne-California ngesikhathi sezilwane ezinkulu, kodwa yayingesilo isilwane esikhulu esihuquzelayo (dinosaur). Mhlawumbe yayisebenzisa intamo yayo ende ukuzama ukubamba izinhlanzi nezinye izilwane ezincane zasolwandle.1 3

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

Yaphila

72 kuya ku-66 wezigidi zeminyaka edlule3

Late Cretaceous

Izinsalela ezitholwe e-

Fresno County, California, USA, ku-Moreno Formation1 2

Ubude

kufika ku-9 m (30 ft)1

okungenani amamitha angu-9, ngokusekelwe ezilinganisweni

Isivinini esiphezulu

cishe 23 km/h (14 mph)

Ukubhukuda, isilinganiso

Yaphila nini?

Triassic

Jurassic

I-Cretaceous

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

Yayinkulu kangakanani?

Yayinde kangakanani?

inde njengezimoto ezi-2 ezimile emgqeniinde njengobhanana abangu-50 belandelanaingabhukuda ubude bechibi elikhulu (50 m) ngemizuzwana engu-7.8

Yayinkulu kangakanani i-Fresnosaurus uma uqhathaniswa NAWE?

Izibalo nje kusiphequluli sakho. Akukho okugcinwayo noma okuthunyelwa ndawo.

Yayishesha kangakanani?

Umuntu ohambayo cishe 5 km/h (3 mph)

Ingane esebhayisikilini cishe 12 km/h (7 mph)

Fresnosaurus cishe 23 km/h (14 mph)

Ihhashi eligijimayo cishe 65 km/h (40 mph)

Ingwe cishe 100 km/h (62 mph)

izinto ezinhle

Amaqiniso amnandi

I-Fresnosaurus yaphila eminyakeni eyizigidi ezingu-70 kuya kwezingu-66 edlule, ekupheleni kwesikhathi sezilwane ezinkulu.1

Insalela eyodwa eyaziwayo ingeyesisilwane esincane, ngakho ososayensi bacabanga ukuthi izilwane ezindala kungenzeka zazinkulu ngisho nangaphezu kwamamitha angu-9.2

Igama layo lihlonipha i-Fresno County, kanti igama lohlobo elithi 'drescheri' lihlonipha u-Arthur Drescher, okungenzeka ukuthi wasiza ekutholeni le nsalela.1

I-Fresnosaurus yayiyingxenye yeqembu elibizwa ngama-elasmosaurid, adume ngezintamo zawo ezinde kakhulu namaphiko okubhukuda afana namaphini.1 3

Insalela ihlanganisa amathambo afana nama-coracoid (amathambo ehlombe), i-humerus (ithambo lengalo engenhla), i-pelvic girdle, nama-femora (amathambo ethanga), kodwa akukho khakhayi olutholakele.2

Ososayensi basanda kuthola ukuthi amanye amathambo angeziwe abhalwe njenge-Fresnosaurus kungenzeka ukuthi empeleni angawesinye isilwane esihlobene ne-plesiosaur esibizwa nge-aristonectine.2

Isithombe sika-Fresnosaurus 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.

Umchithi wezinganekwane

Inganekwane: Abanye abantu bacabanga ukuthi i-Fresnosaurus yayiyisilwane esikhulu esihuquzelayo (dinosaur) ngoba yayiphila nazo futhi ivame ukuboniswa ezincwadini zezilwane ezinkulu.

Iqiniso: I-Fresnosaurus yayiyi-plesiosaur, isilwane sasolwandle, hhayi isilwane esikhulu esihuquzelayo (dinosaur). Izilwane ezinkulu zaziphila emhlabathini futhi zazinezimo zomzimba ezihlukile.1 3

Ochwepheshe bama-dino

Igama lesayensi: Fresnosaurus
Iqanjwe ngu: Welles 19433
Iqembu: Ama-Plesiosaur
Umndeni / i-clade: Elasmosauridae3
Ukuhlukaniswa: Plesiosauria > Elasmosauridae > Sauropterygia3
Inkathi yamadwala: 72 kuya ku-66 wezigidi zeminyaka (Maastrichtian)3
Izakhiwo zamatshe: Moreno3
Amazwe: USA3
Izinsalela ezitholiwe: 1 ku-Paleobiology Database3
Ukutholakala: I-Fresnosaurus yaqala ukuchazwa ngu-Samuel Paul Welles ngo-1943, ngokusekelwe ensaleleni eyatholakala ku-Moreno Formation yase-California. Insalela yayigcinwe e-California Institute of Technology kanti manje isemnyuziyamu i-Natural History Museum of Los Angeles County.1 2
Kusaphikiswana ngakho: Ososayensi basaphikisana ngokuthi i-Fresnosaurus ingabe iyisilwane esihlukile ngempela yini noma mhlawumbe ifana nenye i-elasmosaurid, ngoba insalela eyodwa kuphela etholakele ayiphelele futhi ingeyesisilwane esincane.2

Lapho amaqiniso evela khona

Fresnosaurus (en.wikipedia.org)
Reappraisal of Fresnosaurus drescheri (Plesiosauria; Elasmosauridae) from the Maastrichtian Moreno Formation, California, USA - ScienceDirect (sciencedirect.com)
Fresnosaurus in The Paleobiology Database (CC BY 4.0): iminyaka, izindawo, izakhiwo zamadwala, ukuhlukaniswa.

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