Scalamagnus

Leina le raya: “large staircase, referring to the Grand Staircase-Escalante National Monument where it was found”1

E jele: NamaDipleisiosoroBofelo jwa CretaceousKa saense, ga se dinosoro

Scalamagnus was a small, fast-swimming marine reptile that lived in the warm, shallow sea that once covered North America. It had a long snout full of sharp teeth and used its four flippers to zoom through the water after fish and squid.1 2

Ntlha e e monate: segagabi seno sa lewatle se ne se thuma fa dinosoro di ne di tsamaya mo lefatsheng. Mongwe le mongwe o di bitsa didino, mme e ne e le lekala le lengwe la digagabi.

E tshetse

dimilione tsa dingwaga di le 94 go ya go 90 tse di fetileng2

Bofelo jwa Cretaceous

Difosili di fitlhetswe kwa

Utah, USA, in the Tropic Shale formation1 2

Boleele

3.2 m (10 ft)1

Bonako jo bogolo

e ka nna 28 km/h (17 mph)

Go thuma, kakanyo

E tshetse leng?

Triassic

Jurassic

Cretaceous

dimilione tsa dingwaga di le 252 tse di fetileng20114566, asteroiti

E ne e le kgolo go le kae?

E ne e le telele go le kae?

telele jaaka dintšwa di le 3 go tswa kwa nkong go ya kwa mogatlengtelele jaaka dibanana di le 18 di latelanae ne e ka thuma boleele jwa letamo le legolo la go thuma (50 m) mo metsotswaneng e le 6.4

Scalamagnus e ne e le kgolo go le kae fa e bapisiwa le WENA?

Ke dipalo fela mo sebatling sa gago. Ga go sepe se se bolokwang kgotsa se se romelwang gope.

E ne e le bonako go le kae?

Motho yo o tsamayang e ka nna 5 km/h (3 mph)

Ngwana mo baesekeleng e ka nna 12 km/h (7 mph)

Scalamagnus e ka nna 28 km/h (17 mph)

Pitse e e sianang ka bonako e ka nna 65 km/h (40 mph)

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

dilo tse di monate

Dintlha tse di monate

Scalamagnus was originally thought to be a species of Dolichorhynchops, but scientists later gave it its own name in 2023.1

One Scalamagnus skeleton was found with 289 stomach stones (gastroliths), which is very unusual for this group of plesiosaurs.1

The stomach stones weighed about 518 grams in total, and most were smaller than 2 grams.1

It lived about 93 to 91 million years ago, during the early Turonian stage of the Late Cretaceous.1

Scalamagnus was a polycotylid plesiosaur, a group known for having short necks and large heads, unlike the long-necked plesiosaurs.1

The name Scalamagnus honors the Grand Staircase-Escalante National Monument in Utah, where its fossils were dug up.1

Setshwantsho sa Scalamagnus se se dirilweng ke AI — Setshwantsho se se dirilweng ke AI sa kafa Scalamagnus e ka tswang e ne e lebega ka gone, se dirilwe ke khomputara go ya ka se borasaense ba se itseng. Ke kakanyo fela: phologolo ya nnete e ka tswa e ne e lebega ka tsela e sele, mme ga go ope yo o itseng mebala ya yona ya nnete.

Ya baitseanape ba didino

Leina la saense: Scalamagnus
Leina le neilwe ke: Clark et al. 20242
Setlhopha: Dipleisiosoro
Lelapa / clade: Polycotylidae2
Thulaganyo: Plesiosauria > Sauropterygia2
Bogolo jwa matlapa: 94 go ya go 90 dimilione tsa dingwaga (Turonian)2
Dibopego tsa matlapa: Tropic Shale2
Dinaga: Amerika2
Direkoto tsa difosili: 2 mo The Paleobiology Database2
Go fitlhelwa: The first fossils were found between 2003 and 2005 by the Museum of Northern Arizona in the Tropic Shale of Utah. It was named Scalamagnus tropicensis in 2023 by Robert Clark, Robin O'Keefe, and Sara Slack.1 2
Go sa ntse go ganetsanwa: Scientists are not sure why Scalamagnus had so many stomach stones, since most other polycotylids did not have them.1

Kwa dintlha di tswang teng

Scalamagnus (en.wikipedia.org)
Scalamagnus in The Paleobiology Database (CC BY 4.0): dingwaga, mafelo, dibopego tsa matlapa, thulaganyo.

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