Gymnophallus
(tree size 34)
Paragymnophallus
(tree size 2)
Pseudogymnophalus
(tree size 1)
Meiogymnophallus
(tree size 8)
Lacunovermis
(tree size 3)
Parvatrema
(tree size 25)
Gymnophalloides
(tree size 5)
Bartolius
(tree size 1)
Pseudogymnophallus
(tree size 1)
Kamchatkinella