- ambulacral pore
-
отверстие, через которое ампула соединяется с амбулякральной ножкой
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
Oligopygoida — Scientific classification Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea … Wikipedia
echinoderm — /i kuy neuh derrm , ek euh neuh /, n. any marine animal of the invertebrate phylum Echinodermata, having a radiating arrangement of parts and a body wall stiffened by calcareous pieces that may protrude as spines and including the starfishes, sea … Universalium
Cystoids — Temporal range: Middle Ordovician–Permian … Wikipedia