Slate Pencil Urchin (Eucidaris spp.)

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Sizes S (£25.00) up to L (£35.00)Supplier Availability: Scarce Eucidaris is a genus of cidaroid sea urchins known as slate pencil urchins. They are characterised by a moderately th ick test, a usually monocyclic apical disc, perforate and non-crenulate tubercles and nearly straight ambulacra with horizontal pore pairs. The primary spines are few and widely spaced, stout with blunt flat tips and beaded ornamentation and the secondary spines are short and apressed. They originated in the Miocene and extant members of the genus are found in the tropical Indo-Pacific Ocean, East Pacific, Atlantic Ocean and Caribbean Sea. Show more