†Macropneustes (Deakia) Pavay 1875 (heart urchin)
Echinoidea - Spatangoida - Brissidae
Alternative spelling: Deakia
Parent taxon: Macropneustes according to P. M. Kier 1984
See also Sanchez-Roig 1953
Sister taxa: Macropneustes (Macropneustes), Macropneustes brodermani, Macropneustes gomezmazae, Macropneustes mortoni, Macropneustes ventricosus
Subtaxa: Deakia armadilloensis
Ecology: slow-moving shallow infaunal deposit feeder-detritivore
Distribution: found only at Finca "Armadillo", Marroquin, Moron - Late Eocene (Eocene of Cuba)