Echinoidea: with bilateral symmetry. Irregularia: Volume 2 by Heinke A.G. Schultz

By Heinke A.G. Schultz

This publication is the second one quantity of 2 books approximately sea urchins (echinoids) for the reason that 1953 (Th. Mortensen). The exact and colored illustrated descriptions let the reader to spot all species dwelling this day in our oceans. fresh clinical searchings are integrated. quantity II. describes the Irregularia with bilateral symmetry, together with the well-known "sand money" and "heart urchins", dwelling typically kind of deeply burrowed within the substrat.

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