Echinopaedia

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Echinopaedia is the name for the early or larval stages of echinoderms like sea stars and sea urchins. “A, common primitive form of Echinodermata, whence B, B’, a vermiform holothurid, and C, C’, a pluteiform ophiurid or echinid (pluteus) larva are derived: a, mouth; b, stomach; c, intestine; d, anus; e, ciliated band.” -Whitney, 1911

Keywords

Pluteus, marine life, Echinopaedia, larval stage, echinoderm larva, sea urchin larva, sea star larva, starfish larva, primitive form, holothurid, pluteiform, ophiurid, echinid

Galleries

Sea Urchins and Sea Stars

Source

William Dwight Whitney The Century Dictionary: An Encyclopedic Lexicon of the English Language (New York, NY: The Century Co., 1911)

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