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Sphaerotholus

Din no ase: “ball dome”1

Ɔdii: NhabanTi kurukuruwa dinoKretasias Awieeɛ

Sphaerotholus was a dome-headed dinosaur that lived near the end of the Age of Dinosaurs. It had a thick, bony dome on its skull and probably used it for head-butting contests.1

Ɔtenaa ase

mfeɛ ɔpepem 84 kɔsi 66 a atwam2

Kretasias Awieeɛ

Wɔhunuu fɔsil wɔ

Western United States (Montana, New Mexico) and Canada (Alberta, Saskatchewan)2 1

Tenten

2 m (6.6 ft)1

Mu duru

40 kg (88 lb)1

Ntɛmntɛm a ɛsen biara

bɛyɛ 44 km/h (27 mph)

Mmirikatuo, 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?

Na ne mu yɛ duru sɛn?

ne mu duru te sɛ nkraman 2

ne tenten te sɛ fie agyinamoa 4 firi hwene kɔsi duane tenten te sɛ kwadu 11 a wɔde abɔ toatoa sone mu duru te sɛ fie agyinamoa 10ne mu duru te sɛ watamɛlɔn 8ne mu duru te sɛ nkɔkɔaa sukuu mmofra 2ne mu duru te sɛ sukuu mmofra 1anka ɔbɛtumi atu mmirika mita 100 wɔ sikɛn 8.2 mu (onipa a ɔyɛ ntɛm sen biara hia 9.6)

Sphaerotholus 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)

Sphaerotholus bɛyɛ 44 km/h (27 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

Sphaerotholus lived for a long time, about 7 to 8 million years, and spread across a wide area from New Mexico to Montana.1

There are five known species of Sphaerotholus, each with slightly different bumps and nodes on the back of their skulls.1

One species, S. triregnum, had a triple row of small bony nodes on its skull, making it look like it wore a triple crown.1

Another species, S. lyonsi, had a double row of small nodes, while others had a single row of large nodes.1

The name Sphaerotholus means 'ball dome', which describes its round, dome-shaped skull.1

Sphaerotholus is considered a highly evolved, or derived, pachycephalosaur.1

Yei yɛ Sphaerotholus 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 Sphaerotholus ho

?How big was Sphaerotholus?

Sphaerotholus edmontonensis reached about 2 metres (6.6 feet) in length and weighed around 40 kilograms (88 pounds). Other species were probably a similar size.1

?What did Sphaerotholus eat?

Sphaerotholus was a plant-eater. Like other pachycephalosaurs, it had teeth suited for eating tough plants.1

?When did Sphaerotholus live?

Sphaerotholus lived during the Late Cretaceous, from about 76 to 66 million years ago.1

?Where did Sphaerotholus live?

Sphaerotholus lived in what is now the western United States and Canada, from New Mexico to Montana and Alberta.1

?How many species of Sphaerotholus are there?

There are five known species: S. goodwini, S. buchholtzae, S. edmontonensis, S. lyonsi, and S. triregnum.1

?Why did Sphaerotholus have a dome?

Sphaerotholus had a thick, bony dome on its skull that it probably used for head-butting contests, like other dome-headed dinosaurs.1

Atosɛm sɛefoɔ

Atosɛm: Some people think Sphaerotholus used its dome for ramming like a battering ram.

Nokorɛ: Scientists are not sure. The dome might have been for head-butting, but it could also have been for showing off to mates or recognizing each other.1

Ma dino ho animdefoɔ

Nyansahu din: Sphaerotholus
Obi a ɔtoo din: Williamson and Carr 20032
Kuo: Ti kurukuruwa dino
Abusua / kuo kɛseɛ: Pachycephalosauridae2
Nkyekyɛmu: Ornithischia > Pachycephalosauria2
Abotan no mfeɛ: mfeɛ ɔpepem 84 kɔsi 66 (Campanian / Maastrichtian)2
Abotan nhyehyɛeɛ: Hell Creek, Kirtland, Frenchman2
Aman: Amerika, Kanada2
Fɔsil nkyerɛwee: 6 wɔ The Paleobiology Database mu2
Nhunumu: The first species, Sphaerotholus goodwini, was named by Thomas Williamson and Thomas Carr in 2002 from a partial skull found in New Mexico. The species name honors paleontologist Mark Goodwin.1
Wɔda so gye ho akyinnye: Scientists still debate whether some species, like S. edmontonensis, are really separate or just the same as others, because their skulls look very similar.1

Baabi a nsɛm no firi

Sphaerotholus (en.wikipedia.org)
Sphaerotholus in The Paleobiology Database (CC BY 4.0): mfeɛ, mmeaeɛ, abotan nhyehyɛeɛ, nkyekyɛmu.

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