endoskeletons

Noun

form-of plural

plural of endoskeleton

Japanese Meaning

「内骨格」の複数形

Paleontologists examined the layered endoskeletons preserved in the rock to reconstruct ancient life forms.

古生物学者は岩に保存された層状の内骨格を調べて古代生物の形を再構築した。

Sense（1）

plural of endoskeleton

Their relationships with modern gnathostomes have remained mysterious, partly because their un-mineralized endoskeletons rarely fossilized.