Sauropoda（トカゲの足）という名称だが、どちらかというと ゾウ のような大型 哺乳類 に似ている。 指は5本あり、これは恐竜としては最も原始的な特徴になる。

竜脚類 りゅうきゃくるい Sauropoda 爬虫類竜盤目竜脚亜目に属する 一群 の恐竜。 体格は重厚。 四脚歩行性で草食または雑食。 一般に頸と尾が非常に長い。 頭骨は小さく，頭蓋は極度に小さい。 歯 …

: : Bilateria : : : : : : Sauropoda Sauropods are a subgroup of the saurischian, or "lizard-hipped," dinosaurs. This group of quadrupedal (four-legged), herbivorous animals had a relatively simple body …

Nov 2, 2025 · Sauropod, any member of the dinosaur subgroup Sauropoda, marked by large size, a long neck and tail, a four-legged stance, and a herbivorous diet. These reptiles were the largest of all …

竜脚類（大腿骨） 爬虫類（恐竜） sauropoda 時代 中生代 ジュラ紀 産地 アメリカ ユタ州

Figure 1 — Simplified phylogeny of Sauropodomorpha, including Sauropoda and its ‘prosauropod’ outgroups, plotted through time. Key nodes are labelled. Topology primarily follows Benson et al. …

May 27, 2024 · Sauropoda was a massive, long-necked dinosaur that holds the distinction of being the largest land animal to ever walk the planet. This group includes some of the most popular and well …

The name Sauropoda was coined by Othniel Charles Marsh in 1878, and is derived from Ancient Greek, meaning "lizard foot". [14] Sauropods are one of the most recognizable groups of dinosaurs, and …

Apr 15, 2024 · Advanced growth rates were possibly present in the earliest dinosaurs and may have been amplified even further in Sauropoda as part of an evolutionary arms race with theropod dinosaurs.

Feb 20, 2023 · Sauropod dinosaurs were a group of herbivorous dinosaurs that lived during the Mesozoic Era, from the Late Triassic period to the end of the Cretaceous periodSauropod dinosaurs …