guaymensis

	site	site # (info)	collection date	kind	depth	substrate	salin	comments	reference
A	southwestern shore, Bahia de Bacochibampo, near Guayas, Sonora, Mexico	1285 map	Aug 1971	type locality	1 m	clean, medium fine quartz sand		collected at low water. holotype AMNH 821, three paratypes AMNH 822-824.	Crezee M (1975): 784