Children (22 direct children, 22 direct and indirect children):
Ceratotrochus franciscana
Ceratotrochus magnaghii
Ceratotrochus laxus
Ceratotrochus multiserialis
Ceratotrochus ornatus
Ceratotrochus ambiguus
Ceratotrochus amphitrites
Ceratotrochus australiensis
Ceratotrochus clinatus
Ceratotrochus duodecimcostatus
Ceratotrochus exaratus
Ceratotrochus exilis
Ceratotrochus halli
Ceratotrochus hispidus
Ceratotrochus japonicus
Ceratotrochus jogashimaensis
Ceratotrochus milthersii
Ceratotrochus putillus
Ceratotrochus recidivus
Ceratotrochus saltholmensis
Ceratotrochus supracretaceus
Ceratotrochus venustus