Morphologic Description: Massive or bifacial folia; subcerioid to subplocoid; thin outer wall; irregular short series; septal ornament fine or absent.
Morphologic Diagnosis: Colony Form: plocoid, Colony Shape: branching or massive, Budding: intramural, Columella: trabecular and discontinuous, Corallite Size: medium (1.5 - 10mm), Wall Structure: synapticulothecal, Lobes: none.
I. P. (Pseudocolumnastrea) Yabe and Sugiyama, 1933: Bifacial folia or rounded branches; plocoid; exsert calices; rare discontinuous collines.
Species (2 total):
II. P. (Pavona) s.s.: Massive or foliaceous; calical walls often indistinct; collines irregular, radiating or absent.
Species (3 total):