Madracis asperula Milne Edwards and Haime, 1849
CC species number = 16.5
Photograph: The top photo is an SEM image of an individual corallite
with a scale bar of 1 mm. The bottom photo is an entire colony specimen
USNM 96482 (Moin Formation, Costa Rica. Plio-Pleistocene) with a scale
bar of approximately 1 mm.
Colony Form: plocoid
Colony Shape: branching to nodular
Budding Type: mostly extramural
Corallite Diameter: 2.0-3.0 mm
Coenosteum Width: 0.4-0.9 mm
Septa Per Corallite:10 primary and 10 scondary that do not attach
to columella, but are rudimentary nubs along edge of calyx
Columella Structure: styliform
Columella Width: broad
Types: BM(NH), unnumbered syntypes (Madeira, Recent).
Plio-Pleistocene: Moin Formation, Costa Rica.
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Last updated on April 28, 1998 - vab.