Dino Wiki / Wonke ama-dino / Ama-Plesiosaur

Ikhadi le-Dino No. 1460 kwangu-2 027

Polycotylus

Igama lisho ukuthi: “ama-vertebrae anezinkomishi eziningi”1

Udla: InyamaAma-PlesiosaurLate Jurassic kuya ku-Late CretaceousAkuyona i-dinosaur ngempela

I-Polycotylus yayiyisilwane esihuquzelayo sasolwandle (plesiosaur) esinentamo emfushane esayibhukuda ezilwandle ezifudumele zaseNyakatho Melika naseYurophu ngesikhathi se-Cretaceous. Yayinekhanda elikhulu, izimpiko eziqinile, futhi yayizala amaphuphu aphilayo emanzini, njengoba kwenza imikhomo namuhla.1

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

Yaphila

152 kuya ku-72 wezigidi zeminyaka edlule3

Late Jurassic kuya ku-Late Cretaceous

Izinsalela ezitholwe e-

eKansas, South Dakota, Alabama, naseWyoming e-USA; naseFrance naseRussia1 2

Ubude

4.7 kuya ku-5.4 m (15 kuya ku-18 ft)1

Isisindo

1 wamathani (2,200 lb)1

ngaphezu kuka 1 metric ton

Isivinini esiphezulu

cishe 27 km/h (17 mph)

Ukubhukuda, isilinganiso

Yayidleni i-Polycotylus?

I-Polycotylus yayinamazinyo aminyene anemigqa ebusweni bawo, okusikisela ukuthi yayidla izinhlanzi nezinye izilwane zasolwandle, kodwa imithombo ayinikezi ukudla okuthile.

Yaphila nini?

Triassic

Jurassic

I-Cretaceous

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

Yayinkulu kangakanani?

Yayinde kangakanani?

Yayisinda kangakanani?

isinda njengezinja ezi-50

inde njengezinja ezi-5 kusukela ekhaleni kuya emsileniinde njengobhanana abangu-30 belandelanaisinda njengamakhabe angu-200isinda njengezingane zasenkulisa ezi-53isinda njengezingane zesikole ezi-31isinda njengamabhere ase-polar angu-2ingabhukuda ubude bechibi elikhulu (50 m) ngemizuzwana engu-6.7

Yayinkulu kangakanani i-Polycotylus 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)

Polycotylus cishe 27 km/h (17 mph)

Ihhashi eligijimayo cishe 65 km/h (40 mph)

Ingwe cishe 100 km/h (62 mph)

izinto ezinhle

Amaqiniso amnandi

I-Polycotylus yaqanjwa usosayensi odumile wezinsalela u-Edward Drinker Cope ngonyaka ka-1869 kusukela ezinsaleleni ezatholakala eKansas.1

Insalela ye-Polycotylus etholakale eKansas iqukethe umbungu owodwa omkhulu ngaphakathi kukanina, okufakazela ukuthi lezi zilwane zazizala amaphuphu aphilayo.1

Iphuphu le-Polycotylus lalingamamitha angu-1.5 (4.9 feet) ubude, okungamaphesenti angu-32 obude bukanina.1

I-Polycotylus yayinentamo emfushane nekhanda elide, okwenza ibukeke kancane njenge-pliosaur, kodwa empeleni iwuhlobo lwe-plesiosaur olubizwa ngokuthi i-polycotylid.1

Igama layo lisho 'ama-vertebrae anezinkomishi eziningi' ngoba amathambo emgogodleni wayo anezimbobo ezijulile ezifana nezinkomishi.1

I-Polycotylus yayiphila e-Western Interior Seaway, ulwandle olungashoni olwahlukanisa iNyakatho Melika kabili ngesikhathi se-Cretaceous.1

Ososayensi bacabanga ukuthi i-Polycotylus yayizala iphuphu elilodwa elikhulu ngesikhathi, isu elibizwa ngokuthi i-K-selection.1

Isithombe sika-Polycotylus 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.

ubuzile

Imibuzo ebuzwa kakhulu mayelana no-Polycotylus

?Yayinkulu kangakanani i-Polycotylus?

I-Polycotylus yayiyisilwane esihuquzelayo sasolwandle esilinganiselwe, esilinganiselwa kumamitha angu-4.7 kuya kwangu-5.4 (15 kuya kwangu-18 feet) ubude futhi inesisindo esingaphezu kwethani elilodwa (1.1 short tons).1

?Ingabe i-Polycotylus yayinentamo emfushane?

Yebo, i-Polycotylus yayinentamo emfushane nekhanda elide, ngokungafani nama-plesiosaur anezintamo ezinde njenge-Elasmosaurus.1

?Yayidleni i-Polycotylus?

I-Polycotylus yayinamazinyo aminyene anemigqa ebusweni bawo, okusikisela ukuthi yayidla izinhlanzi nezinye izilwane zasolwandle, kodwa imithombo ayinikezi ukudla okuthile.1

?Yayiphila nini i-Polycotylus?

I-Polycotylus yayiphila ekupheleni kwesikhathi se-Cretaceous, eminyakeni eyizigidi ezingama-84 kuya kwezingama-66 edlule.1

Umchithi wezinganekwane

Inganekwane: Abantu abaningi bacabanga ukuthi wonke ama-plesiosaur ayenezintamo ezinde njengalowo okuthiwa yi-Loch Ness Monster.

Iqiniso: I-Polycotylus yayinentamo emfushane nekhanda elikhulu, ehluke kakhulu kuma-plesiosaur anezintamo ezinde njenge-Elasmosaurus.1

Ochwepheshe bama-dino

Igama lesayensi: Polycotylus
Iqanjwe ngu: Cope 18693
Iqembu: Ama-Plesiosaur
Umndeni / i-clade: Polycotylidae3
Ukuhlukaniswa: Plesiosauria > Sauropterygia3
Inkathi yamadwala: 152 kuya ku-72 wezigidi zeminyaka (Kimmeridgian / Campanian)3
Izakhiwo zamatshe: Niobrara, Frontier, Mooreville Chalk3
Amazwe: USA, France, Russia3
Izinsalela ezitholiwe: 10 ku-Paleobiology Database3
Ukutholakala: U-Edward Drinker Cope waqamba i-Polycotylus ngonyaka ka-1869 kusukela emathanjeni aphukile atholakala eNiobrara Formation yaseKansas. Uhlaka lwamathambo olucishe lwaphelela lwatholakala kamuva e-Alabama ngonyaka ka-1949 kodwa aluchazwa kwaze kwaba unyaka ka-2002.1
Kusaphikiswana ngakho: Ososayensi abaqiniseki ngokuthi zingaki izinhlobo ze-Polycotylus ezazikhona, futhi ezinye izinhlobo zingase zibe yizona kanye nezinye.1

Lapho amaqiniso evela khona

Polycotylus (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Polycotylus in The Paleobiology Database (CC BY 4.0): iminyaka, izindawo, izakhiwo zamadwala, ukuhlukaniswa.

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