Children (18 direct children, 18 direct and indirect children):
Phyllopachyceras petkovici
Phyllopachyceras gignouxi
Phyllopachyceras bontshevi
Phyllopachyceras zelandicum
Phyllopachyceras baborense
Phyllopachyceras trinitense
Phyllopachyceras crassum
Phyllopachyceras forbesianum
Phyllopachyceras chitianum
Phyllopachyceras eichwaldi
Phyllopachyceras marshalli
Phyllopachyceras umpuanum
Phyllopachyceras hourcqi
Phyllopachyceras inflatum
Phyllopachyceras laeviventris
Phyllopachyceras ectocostatum
Phyllopachyceras sayni
Phyllopachyceras infundibulum