bipinnaria

[ bahy-pi-nair-ee-uh ]

Phonetic (Standard)IPA

noun

, plural bi·pin·nar·i·ae [bahy-pi-, nair, -ee-ee], bi·pin·nar·i·as.

From New Latin; bi- ¹, pinna, -aria

The presence of two rings instead of one distinguishes the Bipinnaria from the Auricularia.

The commonest and most thoroughly investigated form of Asteroid larva is a free-swimming form known as Bipinnaria.

Ontologically, however, the two bands of Bipinnaria do not appear to arise from the division of a single band.

Bipinnaria or Branchiolaria: The larval stage of starfishes.

The egg becomes a sort of infusoria, the infusoria becomes a bipinnaria, and this produces the Asterias.

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