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Photo GalleryHemiaster 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. JPG file - 23.16 kB - 406 x 451 pixels added on 2009-02-23580 viewsEchinoidea taxaScan of drawing Hemiaster expergitus Lovén, 1871 accepted as Holanthus expergitus (Lovén, 1871)checked Kroh, Andreas 2021-02-24From reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d... Download full size 
© 2009 Mortensen, Theodor
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