Atrypa
(tree size 3)
Strophatrypa
Atrypinae
(tree size 1)
Spinatrypinae
Variatrypinae
Carinatininae
Invertininae
Pseudogruenewaldtiinae
Zygospirinae
Gotatrypa
(tree size 1)
Pectenospira
(tree size 1)
Zygospiraella
(tree size 1)