Ptychopoma bifrons
Ptychopoma tortile
Ptychopoma humile
Ptychopoma applanatum
Ptychopoma aubryanum
Ptychopoma insulare
Ptychopoma juvenile
Ptychopoma lienense
(tree size 3)
Ptychopoma mediastinum
Ptychopoma omiacum
Ptychopoma papilio
Ptychopoma setchuanense
Ptychopoma subalatum
Ptychopoma tubulare
Ptychopoma wilsoni
Ptychopoma zayuense
Ptychopoma bathychisma
Ptychopoma bathyschisma
Ptychopoma chinense
(tree size 2)
Ptychopoma cycloteum
Ptychopoma delavayanum
Ptychopoma expoliatum
(tree size 2)
Ptychopoma fischerianum
Ptychopoma humillimum