分ぶん椎つい目もくMeanings1nounTemnospondyli; extinct order of tetrapodsScientific term for an extinct order of primitive amphibians; used in paleontology and biology contexts.分ぶん椎つい目もくは古こ生せい代だいに繁栄ほんえいした絶ぜつ滅めつ両りょう生せい類るいの一いち群ぐんである。Temnospondyli is a group of extinct amphibians that flourished during the Paleozoic era.