Palaeotropidae

Palaeotropidae is a family of echinoderms belonging to the order Spatangoida.
Genera:

Kermabrissoides Baker, 1998
Palaeobrissus A.Agassiz, 1883
Palaeotropus Lovén, 1874
Paleotrema Koehler, 1914
Scrippsechinus Allison, Durham & Mintz, 1967