noun
Echinodermata; phylum of echinoderms
Scientific taxonomic term for the phylum that includes starfish, sea urchins, and sea cucumbers.
棘皮動物門にはヒトデやウニが含まれる。
The phylum Echinodermata includes starfish and sea urchins.
Compound of 棘皮 (spiny skin) + 動物 (animal) + 門 (phylum), a calque of the scientific name Echinodermata.