Alternative combination: Palaeaster dubius
Full reference: S. A. Miller and C.B. Dyer. 1878. Contributions to palaeontology 2:1-11
Belongs to Mesopalaeaster according to C. Schuchert 1915
Sister taxa: Hudsonaster australis, Hudsonaster carectum, Hudsonaster incomptus, Hudsonaster matutinus, Hudsonaster milleri, Hudsonaster narrawayi, Hudsonaster ordovicus, Hudsonaster rugosus, Mesopalaeaster shafferi, Mesopalaeaster intermedius, Mesopalaeaster finei, Mesopalaeaster lanceolatus, Mesopalaeaster proavitus, Mesopalaeaster wilberanus, Mesopalaeaster antiquus, Mesopalaeaster parviusculus, Mesopalaeaster cataractensis, Mesopalaeaster granti, Mesopalaeaster bellulus, Mesopalaeaster acuminatus, Mesopalaeaster clarki, Mesopalaeaster primus, Mesopalaeaster complicatus
Type specimen: Holotype MCZ 108058
Ecology: epifaunal detritivore