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Photo GalleryHolectypoida (aboral)
Description With their round tests, non-petaloid ambulacra and central peristome they resemble their regular ancestors. The periproct lies on the upper side near the posterior margin.Length 27 mm; Upper Cretaceous, France. JPG file - 226.33 kB - 1 042 x 1 006 pixels added on 2005-02-23199 viewsEchinoidea taxaDigital photo, part of species Holectypoida †checked Kroh, Andreas 2021-02-24Digital photo, part of species Anorthopygus orbicularis (de Grateloup, 1836) †checked Kroh, Andreas 2021-02-24From reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview |
