Children (16 direct children, 20 direct and indirect children):
Patera clarki
(tree size 2)
Patera panselenus
Patera roemeri
Patera laevior
Clench's middle-toothed land snail
Patera clenchi
Patera sargentiana
Patera leatherwoodi
Patera appressa
Patera indianorum
Patera binneyana
Patera kiowaensis
Patera pennsylvanica
Patera perigrapta
Patera perigraptus
Patera clarkii
(tree size 2)
Patera estillensis