Hemiaster expergitus (apical system)
Description The apical system is ethmophract: The posterior genital plates and the posterior ocular plates join each other.
Specimen of 37 mm length.
Author Mortensen, Theodor
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added on 2009-02-23569 viewsTraits taxaFrom reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d...
© 2009 Mortensen, Theodor