Children (7 direct children, 32 direct and indirect children):
Acetabularia
(tree size 16)
Mermaid's wineglasses
Chalmasia
(tree size 1)
Parvocaulis
(tree size 6)
Clypeina
(tree size 1)
Ioanella
(tree size 1)
Pseudoclypeina
Polyphysa