Mexico, Baja California Sur, Bahia de La Paz, Baja California.
24.133252 -110.384203 +-6437m. WGS 84
On exposed sand flats at low tide, associated with abundant small coral heads, shells and Lithothamnia. Dominant Hypnea, Halimena, Caulerpa, Laurencia, Champia. Temp. 24.2 C. Overcast.