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Photo GalleryTetrapygus niger (ambulacral plates)
Description Ambulacral plates: There may be four or five pore-pairs per plate, mixed in one column.Scale 1 mm. JPG file - 99.73 kB - 701 x 1 027 pixels added on 2005-02-23231 viewsEchinoidea taxaScan of drawing Tetrapygus niger (Molina, 1782) accepted as Arbacia nigra (Molina, 1782)checked Kroh, Andreas 2021-02-24From reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... Download full size 
© 2005 Mortensen, Theodor
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