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Free Content Biological Results of the University of Miami Deep-Sea Expeditions. 73.

Zoeal Development of Pylopaguropsis Atlantica Wass, 1963, and Evidence from Larval Characters of Some Generic Relationships within the Paguridaei

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New material of the species has been obtained from widely scattered localities in the West Indian region. The major features of adult morphology are illustrated. Larvae obtained from a hatching in the laboratory were reared to the fourth zoea and are described briefly and illustrated in detail. The larvae of Pylopaguropsis atlantica are unique among known pagurid larvae in having two distinct terminal spines on the antennal scale, strong ridges on the carapace, lateral carapacial spines, and three setae on the endopodite of the uropod of the fourth zoea. The larvae are unusual also in having a very broad telson with convex lateral margins. A comparison of the larvae with others known for the family shows that the genera in the Pylopaguropsis-group share certain larval features which set them apart from the other genera of Paguridae.

Document Type: Research Article

Publication date: 1971-03-01

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