†Promopalaeaster wykoffi Miller and Gurley 1897 (sea star)
Alternative combination: Palaeaster wykoffi
Full reference: S. A. Miller and W.F.E. Gurley. 1897. New species of crinoids, cephalopods, and other Palaeozoic fossils. Illinois State Museum Bulletin 12:1-69
Belongs to Promopalaeaster according to C. Schuchert 1915
Sister taxa: Promopalaeaster bellulus, Promopalaeaster dyeri, Promopalaeaster elizae, Promopalaeaster exculptus, Promopalaeaster granulosus, Promopalaeaster magnificus, Promopalaeaster meridionalis, Promopalaeaster prenuntius, Promopalaeaster speciosus, Promopalaeaster spinulosus, Promopalaeaster wilsoni, Anorthaster miamiensis
Type specimen: Holotype 6066, University of Chicago
Ecology: epifaunal carnivore