Kartu dino No. 1229 ci 2 027

Nakonanectes

Tur bi mooy: “Nakona swimmer”1

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

Nakonanectes was a plesiosaur, a marine reptile that lived in the sea, not a dinosaur. It had a shorter neck than most of its relatives, making it a special kind of elasmosaurid.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 72 ba 66 milyoŋ at4

Kretase bu mujj

Fosil yu ñu gis ci

Montana, USA3 1

Guddaay

5,1 ba 5,6 m (17 ba 18 ft)1 2

Gaawaay bi gën a kawe

lu tollu ci 27 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 6 xaj, bakkan ba geengudd ni 31 banaana yu ñu topp-toppalemënoon na féey guddaayu pisin bu mag (50 m) ci 6,7 segond

Naka la Nakonanectes 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)

Nakonanectes lu tollu ci 27 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

Nakonanectes had only 39 to 42 neck bones, while many other elasmosaurids had over 70.1 2

It was one of the smallest adult elasmosaurids ever found, measuring only 5.1 to 5.6 metres long.1 2

The fossil was discovered in 2010 by a hunter named David Bradt in a canyon in Montana.1

Nakonanectes lived about 72 to 66 million years ago, at the end of the Age of Dinosaurs.3

Its skull was found nearly complete, which is rare for elasmosaurid fossils.1 2

Short-necked elasmosaurids like Nakonanectes evolved from long-necked ancestors in different parts of the world.1 2

Nataalu Nakonanectes bu ñu def ak IA — Nataal bu IA def la, muy wone ni Nakonanectes 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: Nakonanectes
Ku ko tudde: Serratos et al. 20174
Kurél: Plesiyosoor yi
Njaboot / klad: Elasmosauridae4
Klasifikasiyoŋ: Plesiosauria > Elasmosauridae > Sauropterygia4
Màggaayu doj yi: 72 ba 66 milyoŋ at (Maastrichtian)4
Formasiyoŋi doj: Bearpaw Shale4
Réew yi: Amerig4
Fosil yu ñu gis: 1 ci The Paleobiology Database4
Gisees: Nakonanectes was named in 2017 by Danielle Serratos, Patrick Druckenmiller, and Roger Benson. The fossil was found in 2010 by hunter David Bradt in the Bearpaw Shale of Montana, USA.1 3
Ñu ngi koy werante ba tey: Scientists are still debating whether Nakonanectes belongs to the Styxosaurinae or Elasmosaurinae group.3

Fa xibaar yi jóge

Nakonanectes (en.wikipedia.org)
A New Elasmosaurid (Sauropterygia, Plesiosauria) from the Bearpaw Shale (Late Cretaceous, Maastrichtian) of Montana Demonstrates Multiple Evolutionary Reductions of Neck Length Within Elasmosauridae (bioone.org)
paleobiodb.org (paleobiodb.org)
Nakonanectes in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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