Reefal assemblages of 6 spp radiolitid & hippuritid rudists, rudist frags, volcaniclastic.

Reefs also at close-by Barranquitas with Barrettia and Durania rudists occurred in reefs associated with biostromes of densely-packed Barrettia and volcaniclastic and carbonate sediments.  Local concentrations of radiolitid & hippuritid rudists, & scattered indiv. in biostromes throughout region


