noun
Tricoplaciformes; order of multicellular invertebrates
Taxonomic term for an order of simple multicellular animals, specifically the placozoans. Used in biological classification.
平板動物目は、最も単純な構造を持つ多細胞動物の一群である。
Tricoplaciformes is a group of multicellular animals with the simplest structure.
Compound of 平板 (flat plate) + 動物 (animal) + 目 (order), a calque of the scientific name Tricoplaciformes.