Children (37 direct children, 192 direct and indirect children):
Gravesia
(tree size 1)
Gravesia (ammonite)
Bigotites
Perisphinctes
(tree size 49)
Pavlovia
(tree size 3)
Aulacosphinctoides
(tree size 5)
Balticeras
Epicephalites
Flabellisphinctes
Involuticeras
Zenostephanus
(tree size 1)
Grossouvria
Idoceras
(tree size 4)
Cleistosphinctes
Siemiradzkia
(tree size 1)
Zigzagiceratinae
(tree size 9)
Pseudopeltoceras
(tree size 6)
Progeronia
Virgatitinae
(tree size 4)
Dorsoplanitinae
(tree size 15)
Leptosphinctinae
(tree size 6)
Aulacostephaninae
(tree size 2)
Virgatosphinctinae
(tree size 12)
Perisphinctinae
(tree size 3)
Idoceratinae
(tree size 5)
Pseudovirgatitinae
(tree size 2)
Pseudoperisphinctinae
(tree size 7)
Vinalesphinctinae
(tree size 7)
Passendorferiinae
(tree size 5)
Pictoniinae
(tree size 2)
Homoeoplanulites
(tree size 2)
Virgatopavlovia
(tree size 2)
Microbajocisphinctes
(tree size 1)
Mirosphinctes
(tree size 1)
Tenuisphinctes
Pseudodiscosphinctes
Planisphinctes
Kranaosphinctes