Children (21 direct children, 975 direct and indirect children):
Myophorella
(tree size 29)
Laevitrigonia
(tree size 3)
Trigoniinae
(tree size 822)
Neuquenitrigonia
(tree size 2)
Minetrigoniinae
(tree size 21)
Neuquenitrigoniinae
Psilotrigoniinae
Pleurotrigoniinae
(tree size 34)
Nototrigoniinae
Rutitrigonia
(tree size 8)
Frenguelliella
(tree size 4)
Geratrigonia
(tree size 4)
Guineana
(tree size 1)
Heslingtonia
Jaworskiella
(tree size 3)
Kumatrigonia
(tree size 2)
Kyushutrigonia
(tree size 1)
Latitrigonia
(tree size 8)
Nipponitrigonia
(tree size 6)
Psilotrigonia
(tree size 5)
Quadratojaworskiella
(tree size 1)