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Free Content Biological Results of the University of Miami Deep-Sea Expeditions. 58.

A New Species of Clypeaster from the Gulf and Caribbean and a Key to the Species in the Tropical Northwestern Atlantic (Echinodermata: Echinoidea)

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Abstract:

A new species of Clypeaster is described and compared with the closely related congener C. subdepressus (Gray). Juvenile characteristics of both species are described and morphologic growth changes are discussed. Size determinations are made for the appearance of genital pores and the acquisition of adult proportions. New ratios are used to supplement those previously established for discerning specific differences in this group. A key to the species of Clypeaster in the northwestern Atlantic is included which, where possible, contains adult and juvenile characters.

Document Type: Research Article

Publication date: September 1, 1970

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