P. (Pseudocolumnastrea) sp. A

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Photograph: Scale bar is 0.5 cm. Image is of NMB D5934 (Cercado Formation, Arroyo Bellaco, Dominican Republic. Late Miocene).

Morphologic Description:

Colony Form: plocoid
Colony Shape: branching; robust, bifacial, may be foliaceous
Colline Characteristics: low and discontinuous
Series Length: some long
Series Characteristics: straight
Budding Type: intramural
Corallite Diameter: 2.2-3.4 mm
Calical Relief: high, slightly exsert
Septa Per Corallite:13-24
Relative Septum Thickness: thick
Relative Septum Length: long
Lobes: none
Columella Structure: trabecular and discontinuous
Columella Development: strong
Wall Structure: synapticulothecal


Late Miocene: Cercado Formation, Dominican Republic; Unda core (BDP), Bahamas.
Late Miocene to Early Pliocene: Gurabo Formation, Dominican Republic.
Early Pliocene: Mao Formation, Dominican Republic.
Late Late Pliocene: Unda core (BDP), Bahamas.