Dino kad No. 1830 wɔ 2 027 mu

Trinacromerum

Din no ase: “three tipped femur”1

Ɔdii: NamPlesiosɔɔKretasias Mfiase kɔsi Kretasias AwieeɛNyansahu mu deɛ, ɔnyɛ dinosɔɔ

Trinacromerum was a fast-swimming marine reptile that lived in the Late Cretaceous seas. It used its long flippers like paddles to chase small fish. Even though it looked a bit like a dolphin, it was actually a plesiosaur, not a dinosaur.1 4

Asɛm a ɛyɛ anigye: ɛpo mu aboa a ɔwea yi guaree berɛ a dinosɔɔ nantew asase so. Obiara frɛ wɔn dino, nanso na wɔyɛ mmoa a wɔwea abusua foforɔ.

Ɔtenaa ase

mfeɛ ɔpepem 106 kɔsi 66 a atwam4

Kretasias Mfiase kɔsi Kretasias Awieeɛ

Wɔhunuu fɔsil wɔ

Kansas, Texas, Utah, and Wyoming in the USA, and Manitoba and Saskatchewan in Canada4 1

Tenten

3 m (9.8 ft)1

Ntɛmntɛm a ɛsen biara

bɛyɛ 28 km/h (17 mph)

Nsuguareɛ, nsusuiɛ

Berɛ bɛn na ɛtenaa ase?

Triasik

Jurasik

Kretasias

mfeɛ ɔpepem 252 a atwam20114566, ɔsoro ɛboɔ no

Na ne kɛseɛ yɛ sɛn?

Na ne tenten yɛ sɛn?

ne tenten te sɛ nkraman 3 firi hwene kɔsi duane tenten te sɛ kwadu 17 a wɔde abɔ toatoa soanka ɔbɛtumi aguare nsuguarebea kɛseɛ (50 m) tenten wɔ sikɛn 6.4 mu

Trinacromerum kɛseɛ yɛ sɛn sɛ wode toto WO ho a?

Akontaa nko ara wɔ wo browser mu. Yɛnkora biribiara so, na yɛmmfa biribiara nkɔ baabiara.

Na ɛyɛ ntɛm sɛn?

Onipa a ɔnante bɛyɛ 5 km/h (3 mph)

Abofra a ɔte sakre so bɛyɛ 12 km/h (7 mph)

Trinacromerum bɛyɛ 28 km/h (17 mph)

Ɔpɔnkɔ a ɔretu mmirika bɛyɛ 65 km/h (40 mph)

Kyiita bɛyɛ 100 km/h (62 mph)

nneɛma a ɛyɛ fɛ

Nsɛm a ɛyɛ anigye

Trinacromerum's long flippers helped it swim very fast, and scientists think it moved like a 'four-flippered penguin'.1

Its name means 'three tipped femur', which refers to a bone in its hip that had three points.1

Trinacromerum had 46 vertebrae in its spine, including 20 in the neck, 3 in the chest, and 23 in the back.2

Fossils of Trinacromerum have been found in rocks that were once the bottom of a shallow sea that covered central North America.4

It lived from about 106 to 66 million years ago, during the Late Cretaceous period.4

Some scientists once thought Trinacromerum was the same as another plesiosaur called Dolichorhynchops, but now they are considered different.2

Yei yɛ Trinacromerum mfonini a AI yɛeɛ, sɛdeɛ ebia na ɔteɛ. Kɔmputa na ɛyɛeɛ firi deɛ nyansahufoɔ nim mu. Ɛyɛ nsusuiɛ: ebia na aboa ankasa no nte saa, na obiara nnim ne kɔla ankasa.

wobisaeɛ

Nsɛm a wɔbisa bebree fa Trinacromerum ho

?How big was Trinacromerum?

About 3 meters (9.8 feet) long. That is roughly the length of a small car.1 3

?What did Trinacromerum eat?

It ate small fish. Its teeth were shaped for catching and holding slippery prey.1 3

?Could Trinacromerum swim fast?

Yes, its long flippers helped it swim very fast. Scientists compare its swimming style to a 'four-flippered penguin.'1 3

?Is Trinacromerum a dinosaur?

No, it is a plesiosaur, which is a marine reptile. It lived in the sea and was not a dinosaur.1 3

Atosɛm sɛefoɔ

Atosɛm: Some people think Trinacromerum was a dinosaur because it lived in the sea and had flippers.

Nokorɛ: Trinacromerum was a plesiosaur, a marine reptile, not a dinosaur. Dinosaurs lived on land and had different body shapes.1

Ma dino ho animdefoɔ

Nyansahu din: Trinacromerum
Obi a ɔtoo din: Cragin 18884
Kuo: Plesiosɔɔ
Abusua / kuo kɛseɛ: Polycotylidae4
Nkyekyɛmu: Plesiosauria > Sauropterygia4
Abotan no mfeɛ: mfeɛ ɔpepem 106 kɔsi 66 (Albian / Maastrichtian)4
Abotan nhyehyɛeɛ: Carlile Shale, Greenhorn Limestone, Pierre Shale4
Aman: Amerika, Kanada4
Fɔsil nkyerɛwee: 18 wɔ The Paleobiology Database mu4
Nhunumu: Trinacromerum was first named by Francis W. Cragin in 1888 from fossils found in Kansas, USA. Later, more fossils were found in Canada and other parts of the USA.1 4
Wɔda so gye ho akyinnye: Scientists still debate whether some fossils belong to Trinacromerum or to its close relative Dolichorhynchops, because their skeletons are very similar.2

Baabi a nsɛm no firi

Trinacromerum (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Trinacromerum — Triebold Paleontology, Inc. (trieboldpaleontology.com)
Trinacromerum in The Paleobiology Database (CC BY 4.0): mfeɛ, mmeaeɛ, abotan nhyehyɛeɛ, nkyekyɛmu.

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