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Echinodermata (echinoderms)
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Echinoidea (sea urchins)
Tylocidaris baltica (oral)
Description
Oral side: The primary spines are strongly clubshaped, those at the underside more slender. The tubercles are not perforated.
Diameter of test 21 mm; Uppermost Cretaceous; Stevn's Klint, Denmark
Author
Schultz, Heinke
JPG file
- 349.51 kB
- 1 654 x 1 421 pixels
added on 2005-02-23
187 views
From reference
Schultz, H. (2006). Sea urchins: A guide to worldwide sha...
© 2005 Schultz, Heinke
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