Echinometridae (diagrammatic scheme of ambulacra and interambulacra)
Description a. Echinometra: The long axis passes through IA 3 and A I. b. Heterocentrotus: The long axis runs approximately along the border of A lV / lA 4 and lA 1 /A ll, sometimes very slightly turned to one or the other side. When placed in the "normal" orientation with A lll anterior, the test is transverse oval. Colobocentrotus and Podophora also belong to this group.
Author Schultz, Heinke
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added on 2005-02-23469 viewsTraits taxaScan of drawing Echinometridae Gray, 1855checked Kroh, Andreas 2021-02-24Scan of drawing Echinometra Gray, 1825checked Kroh, Andreas 2021-02-24Scan of drawing Heterocentrotus Brandt, 1835checked Kroh, Andreas 2021-02-24From reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha...
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© 2005 Schultz, Heinke