prosogyrate

prosogyrate
adj. [Gr. proso, forward; gyros, a circle]
(MOLLUSCA: Bivalvia)
Describing beaks anteriorly directed; prosocoelous.

Online Dictionary of Invertebrate Zoology. . 2005.

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Look at other dictionaries:

  • prosogyrate — proso·gyrate …   English syllables

  • prosogyrate — |präsə+ adjective Etymology: proso + gyrate : curving toward the anterior used especially of the umbones of a bivalve mollusk; compare mesogyrate, opisthogyrate …   Useful english dictionary

  • Mollusc shell — Closed and open shells of a marine bivalve, Petricola pholadiformis. A bivalve shell is composed of two hinged valves which are joined by a ligament …   Wikipedia

  • mesogyrate — |me]zō, |mē], ]sō+ adjective Etymology: mes + gyrate : curving toward the center used especially of the umbones of a bivalve; compare prosogyrate …   Useful english dictionary

  • opisthogyrate — ə|pisthə+ adjective Etymology: opisth + gyrate : curving toward the posterior a bivalve shell with opisthogyrate umbones compare prosogyrate …   Useful english dictionary

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