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Pericosmus (oral plating)
Description Differences of Pericosmus and Faorina in oral plating: ln Pericosmus (left) the interambulacral plates next to the peristome in lA 1 and lA 4 are followed by a pair of plates. The labral plate (lab) is stout. ln Faorina (right) the plate in lA 4 is connected to a pair of plates as in Pericosmus, but there follows only a single plate in lA 1. The labral plate (lab) is elongated and pointed towards the sternal plates.
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added on 2005-02-23330 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha...
© 2005 Smith, Andrew B.
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