Children (22 direct children, 22 direct and indirect children):
Hildoceras bifrons
Hildoceras intumescens
Hildoceras laticosta
Hildoceras graecum
Hildoceras caterinii
Hildoceras angustisiphonatum
Hildoceras lusitanicum
Hildoceras apertum
Hildoceras reynesianum
Hildoceras crassum
Hildoceras crassa
Hildoceras reynesi
Hildoceras brevispirata
Hildoceras semipolitum
Hildoceras ameuri
Hildoceras renzi
Hildoceras quadratum
Hildoceras semicosta
Hildoceras tethysi
Hildoceras undicosta
Hildoceras sublevisoni
Hildoceras bastiani