Kartu dino No. 1601 ci 2 027

Scalamagnus

Tur bi mooy: “large staircase, referring to the Grand Staircase-Escalante National Monument where it was found”1

Lekkoon: YàppPlesiyosoor yiKretase bu mujjCi xam-xam, du dinosoor

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

Xibaar bu neex: reptil bu géej bii dafa daan féey ci jamono yi dinosoor yi daan dox ci suuf. Ñépp dañu leen di wooye dino, waaye beneen caru reptil lañu woon.

Dundoon

am na 94 ba 90 milyoŋ at2

Kretase bu mujj

Fosil yu ñu gis ci

Utah, USA, in the Tropic Shale formation1 2

Guddaay

3,2 m (10 ft)1

Gaawaay bi gën a kawe

lu tollu ci 28 km/h (17 mph)

Féey, jortu

Kañ la dundoon?

Triyaas

Jurasik

Kretase

Am na 252 milyoŋ at20114566, asteroyid bi

Naka la réyoon?

Naka la guddoon?

gudd ni 3 xaj, bakkan ba geengudd ni 18 banaana yu ñu topp-toppalemënoon na féey guddaayu pisin bu mag (50 m) ci 6,4 segond

Naka la Scalamagnus réyoon, bu ñu ko méngalee ak YAW?

Ay kalkil rekk ci sa navigatëer. Dara du ñu denc, dara du ñu yónne fenn.

Naka la gaawoon?

Nit kuy dox lu tollu ci 5 km/h (3 mph)

Xale bu nekk ci welo lu tollu ci 12 km/h (7 mph)

Scalamagnus lu tollu ci 28 km/h (17 mph)

Fas buy daw bu gaaw lu tollu ci 65 km/h (40 mph)

Segg bu gaaw lu tollu ci 100 km/h (62 mph)

yëf yu neex

Xibaar yu neex

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

Nataalu Scalamagnus bu ñu def ak IA — Nataal bu IA def la, muy wone ni Scalamagnus mën a meloon, ordinatëer moo ko def ci li boroom xam-xam yi xam. Jortu kese la: rab bi ci dëgg mën na meloon neneen, te kenn xamul ay kulëëram yu dëgg.

Ngir ñi xam dino lool

Turu xam-xam: Scalamagnus
Ku ko tudde: Clark et al. 20242
Kurél: Plesiyosoor yi
Njaboot / klad: Polycotylidae2
Klasifikasiyoŋ: Plesiosauria > Sauropterygia2
Màggaayu doj yi: 94 ba 90 milyoŋ at (Turonian)2
Formasiyoŋi doj: Tropic Shale2
Réew yi: Amerig2
Fosil yu ñu gis: 2 ci The Paleobiology Database2
Gisees: 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
Ñu ngi koy werante ba tey: Scientists are not sure why Scalamagnus had so many stomach stones, since most other polycotylids did not have them.1

Fa xibaar yi jóge

Scalamagnus (en.wikipedia.org)
Scalamagnus in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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