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Echinodermata (echinoderms)
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Echinoidea (sea urchins)
Gracilechinus (apical disc)
Description
Typical apical system of Gracilechinus alexandri (left): The periproct is much larger than a single genital plate; Gracilechinus elegans (right): the periproct is only a little larger than a single genital plate.
Scale 5 mm.
Author
Mortensen, Theodor
JPG file
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- 926 x 466 pixels
added on 2011-02-23
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Echinoidea taxa
Scan of drawing
Gracilechinus
Fell & Pawson in Moore, 1966
checked Kroh, Andreas 2021-02-24
Scan of drawing
Gracilechinus alexandri
(Danielssen & Koren, 1883)
checked Kroh, Andreas 2021-02-24
Scan of drawing
Gracilechinus elegans
(Düben & Koren, 1844)
checked Kroh, Andreas 2021-02-24
From reference
Schultz, H. (2011). Sea urchins III: Worldwide regular de...
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© 2011 Mortensen, Theodor
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