Echinodermata, Volume 3 |
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Common terms and phrases
aboral side aboral surface adambulacrals adapical adoral adradial AGASSIZ amb plates ambula ambulacral ambulacral groove ambulacral plates ambulacrum anus apical system arms Asterias Asteroidea asteroids asterozoans bilateral symmetry buccal Cidaris cidaroid columns cral Cyclocystoides Diadematacea distal DÖDERLEIN dorsal DURHAM & MELVILLE Echino echinoderms Echinoidea echinoids Echinozoa edrioasteroids Family fasciole FISHER floor plates forms fossil genera genital plates genus gonopore groups H. L. CLARK Helicoplacoidea Helicoplacus holothurians ICZN imbricating inferomarginals interambulacral plates interradial KOEHLER lantern lateral LYMAN madreporite marginal MORTENSEN mouth-angle plates muscles oculars oids ophiocistioids Ophiuroidea ophiuroids oral side oral surface Ordovician ossicles Paleozoic pedicellariae periproct peristome perradial PERRIER podia pore pairs posterior primary spines primary tubercles radial rays REGNÉLL regular echinoids rows skeleton SLADEN spatangoids species SPENCER Subfamily submarginal plates suborder superomarginals suture text-fig theca tion tube feet tube foot tubercles U.Cret U.Ord ventral VERRILL