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Monostychia australis (test, aboral)
Description Upper side: The ambulacra are broad, each marked by a food groove, which leads round the margin to the central mouth. Test length 42 mm; Tertiary, Miocene; South Australia.
Author Schultz, Heinke
JPG file - 248.32 kB - 913 x 972 pixels
added on 2005-02-23494 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha...
© 2005 Schultz, Heinke
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