Madracis decactis

(Lyman, 1859)

Colony Form: plocoid to subcerioid

Colony Shape: encrusting and branching

Colony Size: branches 1-2 cm thick

Budding Type: mostly extramural

Corallite Diameter: 1.3-1.9 mm

Coenosteum Width: <1.0 mm

Septa Per Corallite: 10 +

Lobes: none

Columella Structure: styliform

Wall Structure: septothecal

Distribution:

Late Miocene - Early Pliocene, Gurabo Formation. Rio Gurabo, Dominican Republic, central Caribbean.
Late Miocene - Early Pliocene, Seroe Domi Formation. Salina St. Michiel, Curacao, south Caribbean.
Early Pliocene, Gurabo Formation. Rio Cana, Dominican Republic, central Caribbean.
Early Pliocene, Q.Chocolate Formation. Q. Brazo Seco, Costa Rica, southwest Caribbean.
Early Pliocene, Seroe Domi Formation. Salina St. Michiel, Curacao, south Caribbean.
Early Pliocene - Late Pliocene, Seroe Domi Formation. St. Michiel ridges, Curacao, south Caribbean.
Early Pliocene - Late Pliocene, Tamiami Formation. Sarasota, Florida, north Caribbean.
Early Pliocene - Early Pleistocene, Shark's Hole Formation. Isla Colon, Panama, southwest Caribbean.
Late Pliocene, 272-342fbmp Formation. BDP Core Unda, Bahamas, northeast Caribbean.
Late Pliocene, 606-648fbmp Formation. BDP Core Clino, Bahamas, northeast Caribbean.
Late Pliocene, Moin Formation. Pueblo Nuevo, Costa Rica, southwest Caribbean.
Late Pliocene - Early Pleistocene, 259-272fbmp Formation. BDP Core Unda, Bahamas, northeast Caribbean.
Late Pliocene - Early Pleistocene, Moin Formation. Lomas del Mar, Costa Rica, southwest Caribbean.
Late Pliocene - Early Pleistocene, Moin Formation. Portete, Costa Rica, southwest Caribbean.
Late Pliocene - Early Pleistocene, Seroe Domi Formation. St. Michiel seacliff, Curacao, south Caribbean.
Early Pleistocene, 394-445fbmp Formation. BDP Core Clino, Bahamas, northeast Caribbean.
Middle Pleistocene - Late Pleistocene, San Andres Formation. San Andres, San Andres, central Caribbean.