Amargasaurus vs Pachycephalosaurus

Amargasaurus と Pachycephalosaurus のサイズ、食性、分類、地質時代、発見の歴史を詳しく並べて比較します。

さらに比較

属性	Amargasaurus	Pachycephalosaurus
学名	Amargasaurus cazaui	Pachycephalosaurus wyomingensis
分類	Sauropoda	Pachycephalosauria
時代	Cretaceous Early	Cretaceous Late
食性	Herbivore	Herbivore
全長	10.0 m	4.5 m
体重	2.5 m	1.8 m
体重	2.6 t	450 kg
発見年	1991	1943
発見場所	La Amarga Formation, Argentina	Montana, USA
命名者	Leonardo Salgado & Jose Bonaparte	Barnum Brown & Erich Schlaikjer

Amargasaurus 10.0 m

about as long as 2 cars end-to-end

Pachycephalosaurus 4.5 m

roughly the length of a large SUV

Amargasaurus 2.6 t

comparable to 2.6 small cars

Pachycephalosaurus 450 kg

about 6 adult humans

Amargasaurus

145.0 百万年前 Cretaceous Early (Mesozoic) 100.5 百万年前

Pachycephalosaurus

100.5 百万年前 Cretaceous Late (Mesozoic) 66.0 百万年前

Herbivore

Amargasaurus はシダ、針葉樹、ソテツなどの植物を食べる草食恐竜でした。

Herbivore

Pachycephalosaurus はシダ、針葉樹、ソテツなどの植物を食べる草食恐竜でした。

💡

Amargasaurus was about 2.2x longer than Pachycephalosaurus.

💡

Amargasaurus weighed roughly 6x more than Pachycephalosaurus.

💡

Both Amargasaurus and Pachycephalosaurus were herbivores.

💡

Amargasaurus lived during the Cretaceous Early while Pachycephalosaurus lived during the Cretaceous Late, separated by roughly 0 million years.

💡

Pachycephalosaurus was discovered 48 years earlier, in 1943.

💡

Amargasaurus belonged to Sauropoda while Pachycephalosaurus belonged to Pachycephalosauria.

Amargasaurus cazaui

10.0m long, 2.5m tall, 2.6t · Cretaceous Early

Pachycephalosaurus wyomingensis

4.5m long, 1.8m tall, 450.0kg · Cretaceous Late

Nature FYI ファミリーでさらに発見する