Echinoidea - Clypeasteroida - Clypeasteridae
Alternative spelling: Rhaphidoclypus
Parent taxon: Clypeaster according to M. Sanchez-Roig 1953
Sister taxa: Clypeaster (Palaeanthus), Clypeaster abruptus, Clypeaster antillarum, Clypeaster batheri, Clypeaster bowersi, Clypeaster butleri, Clypeaster carrizoensis, Clypeaster caudatus, Clypeaster concavus, Clypeaster cotteaui, Clypeaster cubensis, Clypeaster deserti, Clypeaster europacificus, Clypeaster excentricum, Clypeaster gatuni, Clypeaster herrerae, Clypeaster humilis, Clypeaster japonicus, Clypeaster lanceolatus, Clypeaster lopezriosi, Clypeaster maoadentroensis, Clypeaster meridanensis, Clypeaster ochrus, Clypeaster oxybaphon, Clypeaster parrae, Clypeaster parvus, Clypeaster placentoides, Clypeaster planipetalum, Clypeaster reticulatus, Clypeaster rogersi, Clypeaster rosaceus, Clypeaster rotundus, Clypeaster saipanicus, Clypeaster sanchezi, Clypeaster speciosus, Clypeaster subdepressus, Clypeaster sunnilandensis, Clypeaster surarui, Clypeaster topilanus, Clypeaster transsylvanicus, Clypeaster virescens
Subtaxa: Clypeaster (Rhaphidoclypus) armadilloensis
Ecology: slow-moving semi-infaunal detritivore
Distribution: found only at Finca "Armadillo", Marroquin, Moron - Early Oligocene (Oligocene of Cuba)