Acanthotrema siculum Baker & Rowe, 1990 accepted as Kermabrissoides siculum (Baker & Rowe, 1990)
Corparva lyrida Flores, Penchaszadeh & Brogger, 2021
Kermabrissoides siculum (Baker & Rowe, 1990)
Palaeobrissus hilgardi A. Agassiz, 1880
Palaeotropus hirondellei Koehler, 1895 accepted as Palaeotropus josephinae Lovén, 1871
Palaeotropus josephinae Lovén, 1871
Palaeotropus loveni A. Agassiz, 1879 accepted as Paleotrema loveni (A. Agassiz, 1879)
Palaeotropus ovatus Koehler, 1914 accepted as Paleotrema ovatum (Koehler, 1914)
Palaeotropus thomsoni (A. Agassiz, 1880)
Palaeotropus uniporum Mironov, 2006
Paleotrema loveni (A. Agassiz, 1879)
Paleotrema ovatum (Koehler, 1914)
Scrippsechinus fisheri Allison, Durham & Mintz, 1967