Guide page for Ralfsia hesperia Setchell et Gardner

Ralfsia hesperia Setchell et Gardner
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radial section

Illustrations:: Abbott and Hollenberg 1976, p. 168, fig. 133 (x-section, unilocular crust); Hollenberg 1969, p. 300, fig. 28 (x-section, unilocular crust)
Pacific Coast Distribution:: Trinidad, Humboldt Co., Calif. (Dawson 1965a, p. 13); Carmel Bay, Monterey Co., Calif. (Smith 1944, p. 96); Corona del Mar, Orange Co., Calif. (Smith 1944, p. 96); Barra Navidad, Jalisco, Mexico (Hollenberg 1969, p. 295)
Taxonomy:: Hollenberg 1969, p. 295
Life History:: uninvestigated, but only unilocular organs known


`BRITISH COLUMBIA`	`Pl`
	`U`
	`S`
`COLUMBIA RIVER`	`Pl`
	`U`
	`S`
`CAPE ARAGO`	`Pl`	Rare, on rocks, in the mid and upper intertidal. Dawson 1965a, p. 13.
	`U`
	`S`
`CAPE MENDOCINO`	`Pl`	Rare, on rocks, in the mid and upper intertidal.
	`U`
	`S`
`POINT ARENA`	`Pl`
	`U`
	`S`
`SAN FRANCISCO`	`Pl`	Rare, on rocks, throughout the intertidal. Smith 1944, p. 96.
	`U`
	`S`

Ralfsia hesperia Setchell et Gardner