various trochophore stages (image: D-F): D - early trochophore ; E - complete trochophore ; F - late trochophore ; G - metatrochophore. "Trochophore". Lexico...

of tentacles surrounding a mouth, and the developmental stage of the trochophore larva. Lophophorata such as Brachiozoa and Bryozoa have lophophores,...

complex variations occur. Nearly all produce eggs, from which may emerge trochophore larvae, more complex veliger larvae, or miniature adults. The coelomic...

taxonomic classes. It is produced following either the embryonic or trochophore larval stage of development. In bivalves the veliger is sometimes referred...

groups have long been considered close relatives because they share trochophore larvae. In the classical era, Aristotle divided animals, based on his...

loricate larva Certain molluscs, annelids, nemerteans and sipunculids trochophore Certain molluscs veliger Mollusca: freshwater Bivalvia (mussels) glochidium...

development of gastropods The larvae or larval stadium: some gastropods may be trochophore and/or veliger Estivation and hibernation (each of these are present...

into trochophore larvae, which live as plankton. Later they sink to the sea-floor and metamorphose into miniature adults: the part of the trochophore between...

long been considered close relatives because of the common presence of trochophore larvae, but the annelids were considered closer to the arthropods because...

hatches to release a free-swimming trochophore larva, typical of many other mollusc groups. In a few cases, the trochophore remains within the egg (and is...