Ophthalmothule

Lebitso le bolela: “eye of the north”1 2

E jele: NamaDiplesiosaureJurasiki ya Morao ho isa ho Kretase ya PeleHa se dinosaure ho ya ka saense

Ophthalmothule was a plesiosaur, a marine reptile that lived in the sea, not a dinosaur. It had huge eye sockets, so it probably hunted in dark or deep water. This medium-sized swimmer was about as long as a car.1 2

Ntlha e monate: sehahabi sena sa lewatle se ne se sesa ha didinosaure di ntse di tsamaya naheng. Bohle ba di bitsa didinosaure, empa e ne e le lekala le leng la dihahabi.

E phetse

dilemo tse dimilione tse 149 ho isa ho 137 tse fetileng4

Jurasiki ya Morao ho isa ho Kretase ya Pele

Difosili di fumanwe ho

Spitsbergen, Norway (Slottsmøya Member, Agardhfjellet Formation)2 1

Bolelele

5 ho isa ho 5.5 m (16 ho isa ho 18 ft)1 2

Lebelo le phahameng ka ho fetisisa

e ka bang 28 km/h (17 mph)

Ho sesa, kakanyo

E phetse neng?

Triasiki

Jurasiki

Kretase

Dilemo tse dimilione tse 252 tse fetileng20114566, asteroiti

E ne e le kgolo hakae?

E ne e le telele hakae?

telele jwaloka dintja tse 6 ho tloha nkong ho isa mohatlengtelele jwaloka dibanana tse 31 di behilwe ka molae ne e ka sesa bolelele ba letamo le leholo la ho sesa (50 m) ka metsotswana e 6.4

Ophthalmothule e ne e le kgolo hakae ha e bapiswa le WENA?

Ke dipalo feela ho browser ya hao. Ha ho letho le bolokwang kapa le romelwang kae kapa kae.

E ne e le lebelo hakae?

Motho ya tsamayang ka maoto e ka bang 5 km/h (3 mph)

Ngwana a palame baesekele e ka bang 12 km/h (7 mph)

Ophthalmothule e ka bang 28 km/h (17 mph)

Pere e mathang ka matla e ka bang 65 km/h (40 mph)

Lengau e ka bang 100 km/h (62 mph)

dintho tse monate

Dintlha tse monate

Ophthalmothule lived right at the end of the Jurassic and start of the Cretaceous, about 149 to 137 million years ago.3

Its name means 'eye of the north' because it had very large eye sockets and was found in the far north.1 2

This plesiosaur is one of the youngest cryptoclidids known from the Boreal region, along with Abyssosaurus.1 2

The holotype specimen includes a nearly complete skull and parts of the body, which is rare for cryptoclidid plesiosaurs.2

Ophthalmothule had a long neck with all its neck bones found still connected, helping scientists study how plesiosaurs moved their necks.2

Its large eyes may have helped it see better in dim light, either in deep water or while hunting at night.1 2

Setshwantsho sa Ophthalmothule se entsweng ke AI — Setshwantsho se entsweng ke AI, se bontshang kamoo Ophthalmothule e ka beng e ne e shebahala kateng, se entswe ke khomphutha ho ya ka seo bo-ramahlale ba se tsebang. Ke ho hakanya feela: phoofolo ya nnete e ka nna ya ba e ne e shebahala ka tsela e nngwe, mme ha ho motho ya tsebang mebala ya yona ya nnete.

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense: Ophthalmothule
E rehilwe ke: Roberts et al. 20204
Sehlopha: Diplesiosaure
Lelapa / leloko: Cryptoclididae4
Tlhophiso: Plesiosauria > Sauropterygia4
Dilemo tsa mafika: dilemo tse dimilione tse 149 ho isa ho 137 (Tithonian / Berriasian)4
Dibopeho tsa mafika: Agardhfjellet4
Dinaha: Norway4
Direkoto tsa difosili: 1 ho The Paleobiology Database4
Ho sibollwa: Ophthalmothule was named in 2020 by Roberts and colleagues. The fossil was dug up in 2012 from Mount Wiman on Spitsbergen, Norway, from rocks that span the Jurassic-Cretaceous boundary.2 3
E sa ntse e phehwa kgang: Scientists are not sure whether the Ophthalmothule fossil comes from the very end of the Jurassic or the very beginning of the Cretaceous, because the rock layers are very compressed.2

Moo dintlha di tswang teng

Ophthalmothule (en.wikipedia.org)
PeerJ A new plesiosaurian from the Jurassic, Cretaceous transitional interval of the Slottsmøya Member (Volgian), with insights into the cranial anatomy of cryptoclidids using computed tomography (peerj.com)
PBDB Taxon (paleobiodb.org)
Ophthalmothule in The Paleobiology Database (CC BY 4.0): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

Ntlha e nngwe le e nngwe leqepheng lena e na le nomoro e supang mohlodi wa yona. Haeba re fositse ho hong, re kopa tshwarelo, re balatedi ba didinosaure, ha re koranta ya saense. Re bolelle ho [email protected] mme re tla e lokisa.

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