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Pycnogonida of the Galápagos Islands

1971; Taylor & Francis; Volume: 5; Issue: 6 Linguagem: Inglês

10.1080/00222937100770461

1464-5262

C. Allan Child, Joel W. Hedgpeth,

Crustacean biology and ecology

Summary Summary Eleven species from the shallow water of the Gálapagos are recognized. Of these, two are also found on the Pacific coast of Central America and one occurs in the Caribbean region. Eight species appear to be endemic, of which five are described as new: Anoplodactylus torus, Ammothella dawsoni, Eurycyde encantada, Rhynchothorax barnardi, Tanystylum distinctum. A deepwater species, Ascorhynchus laterospinum Hilton, is redescribed. The pycnogonid fauna shows close relationship to that of mainland Central America, but does not suggest insular speciation on the basis of the collections studied. Indo-Pacific representation is lacking in the material studied.