†Siderastrea mendenhalli minor Vaughan 1917 (stony coral)
Anthozoa - Scleractinia - Siderastreidae
Belongs to Siderastrea mendenhalli according to Vaughan 1917
Sister taxa: none
Type specimen: Its type locality is USGS 7616 Barrett Canyon, which is in a Pliocene perireef or subreef limestone/sandstone in the Imperial Formation of California
Ecology: stationary intermediate-level epifaunal photosymbiotic-suspension feeder
Distribution: found only at USGS 7616 Barrett Canyon