†Hudsonaster incomptus Meek 1872 (sea star)
Alternative combination: Palaeaster incomptus
Belongs to Hudsonaster according to C. Schuchert 1915
Sister taxa: Hudsonaster australis, Hudsonaster carectum, Hudsonaster matutinus, Hudsonaster milleri, Hudsonaster narrawayi, Hudsonaster ordovicus, Hudsonaster rugosus, Mesopalaeaster shafferi, Mesopalaeaster intermedius, Mesopalaeaster finei, Mesopalaeaster lanceolatus, Mesopalaeaster proavitus, Mesopalaeaster wilberanus, Mesopalaeaster dubius, Mesopalaeaster antiquus, Mesopalaeaster parviusculus, Mesopalaeaster cataractensis, Mesopalaeaster granti, Mesopalaeaster bellulus, Mesopalaeaster acuminatus, Mesopalaeaster clarki, Mesopalaeaster primus, Mesopalaeaster complicatus
Type specimen: Holotype MCZ 108057
Ecology: epifaunal detritivore