Madracis sp. A.
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CC species number = 21.5
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Photograph: Scale Bar is approx. 0.5 cm. Image of NMB a86-ta. (Gurabo Formation, Dominican Republic. Late Miocene to Early Pliocene).
Morphologic Description:Colony Form: plocoid to subcerioidColony Shape: branching and globular, ocassionally thick encrustations Colony Size: thickly branched >15-20 mm Budding Type: mostly extramuralCorallite Diameter: 1.1-1.5 mm Corallite Surface Shape: polygonalCoenosteum Width: 0.3-0.45 mm Septa Per Corallite: 10 primary septa, secondary septa are reduced Lobes: noneColumella Structure: styliformColumella Development: broadWall Structure: septothecal
Distribution:Late Miocene to Early Pliocene: Gurabo Formation, Dominican Republic.