Children (21 direct children, 21 direct and indirect children):
Crassinella lunulata
Crassinella pacifica
Crassinella dupliniana
Crassinella martinicensis
Crassinella adamsi
Crassinella coxa
Crassinella ecuadoriana
Crassinella lata
Crassinella maldonadoensis
Crassinella marplatensis
Crassinella nuculiformis
Crassinella skoglundae
Crassinella varians
Crassinella aduncata
Crassinella clementia
Crassinella goldbaumi
Crassinella haylocki
Crassinella mexicana
Crassinella oregonensis
Crassinella quintinensis
Crassinella triquetra