Rice, Mary E. 1993. Two new species of Phascolion (Sipuncula: Phascolionidae) from tropical and subtropical waters of the central western Atlantic. Proceedings of the Biological Society of Washington 106(3): 591-601,4figures.
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Rice, M. E.
1993
Two new species of Phascolion (Sipuncula: Phascolionidae) from tropical and subtropical waters of the central western Atlantic
Proceedings of the Biological Society of Washington