Bolma
(tree size 64)
Astraea
(tree size 27)
Astraea (gastropod)
Cookia
(tree size 3)
Sarmaturbo
(tree size 2)
Lunatica
(tree size 5)
Calcar
Canthorbis
Carswellena
Cyclocantha
Dinassovica
Distellifer
Euninella
Foliastralium
Fractopella
Halopsephus
Heteroninella
Imperator
Incilaster
Marmarostoma
Micrastraea
Ninella
Okinawastraea
Oobolma
Opella
Pachypoma
Pagocalcar
Petholatus
Rugastella
Senectus
Senobolma
Stella
Subninella
Tylastralium
Varostium