Genus
Nummipera Hölder, 1989
Taxon description
Mendoza-Rodríguez et al., 2020
Emended diagnosis: Vertical to oblique, gently curved and opened upward lined burrows. The lining is composed of large, lenticular to discoidal in shape, LBF tests of the Subclass Rotaliana, which are oriented towards the burrow and close its lower part. Burrows are filled with
Luokittelu