Archaeochitinia
Archaeochitosa
Chitinolagena
Chitinosaccus
(tree size 3)
Cylindrogullmia
(tree size 1)
Diplogromia
(tree size 1)
Faralieberkuehnia
Gloiogullmia
(tree size 1)
Guanduella
(tree size 1)
Labyrinthochitinia
Lieberkuehnia
(tree size 2)
Marsupulina
(tree size 1)
Paralieberkuehnia
(tree size 2)
Penardogromia
(tree size 2)
Periptygma
(tree size 1)
Pleurophrys
(tree size 5)
Rhynchogromia
(tree size 2)
Rhynchosaccus
(tree size 2)
Saedeleeria
(tree size 1)
Sphairogullmia
(tree size 1)
Xenothekella
(tree size 1)