Description Valves of large globiferous pedicellariae: a. Stereocidaris ingolfiana: The subterminal opening is surrounded by small denticles, but there is no closed space between them as in Tretocidaris. b. Stylocidaris affinis: There are no enlarged end teeth, the blade opening is definitely "terminal". c. Tretocidaris spinosa: Below the single large end tooth the blade opening is very small. the interspace is closed.
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added on 2011-02-23329 viewsAfReMaS taxaScan of drawing Cidaridae Gray, 1825checked Kroh, Andreas 2021-02-24Scan of drawing Stereocidaris ingolfiana Mortensen, 1903checked Kroh, Andreas 2021-02-24Scan of drawing Stylocidaris affinis (Philippi, 1845)checked Kroh, Andreas 2021-02-24From reference Schultz, H. (2011). Sea urchins III: Worldwide regular de...
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© 2011 Mortensen, Theodor