Porites baracoaensis Vaughan, 1919.

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To view a SEM.

Photograph: (Foster, 1986, plt. 17, fig. 3) Scale bar is approx. 1 mm. Image is of NMB D5812 (NMB locality 16883, Río Gurabo, Gurabo Formation, Dominican Republic. Late Miocene).

Synonyms: Porites baracoaensis Vaughan, 1919, (Porites baracoaensis var. matazasensis Vaughan, 1919, ?Porites douvillei Vaughan, 1919.

Morphologic Description:

Colony Form: plocoid
Colony Shape: branching
Colony Size: intermediate branches, 10-20 mm thick
Corallite Distribution: even
Budding Type: extramural
Corallite Diameter: <1.2 mm
Calical Relief: low, <0.3 mm in elevation
Septa Per Corallite: 12
Lobes: paliform
Number of Pali: 5-6
Palar Ring: intermediate, 40-40%
Columella Structure: trabecular and discontinuous
Columella Development: weak
Wall Structure: synapticulothecal
Single or Compound Wall: single, 1 trabecula

Holotype: USNM 325069 (USGS Locality 3476, Baracoa, Cuba. Late Pliocene.)


Late Early Miocene: Emperador Limestone, Panama; Anguilla Formation, Anguilla.
Middle Miocene: Unda core (BDP), Bahamas.
Late Miocene: Manzanilla Formation, Trinidad; Lirio Limestone, Mona.
Late Miocene: Cercado Formation, Dominican Republic.
Late Miocene to Early Pliocene: Gurabo Formation, Dominican Republic.
Early Pliocene: Mao Formation, Dominican Republic; Brazo Seco, Costa Rica.
Early Late Pliocene: Bowden Formation, Jamaica. Late Pliocene: Moin Formation, Costa Rica.
Late Late Pliocene: Old Pera Beds, Jamaica; Unda core (BDP), Bahamas.
Plio-Pleistocene: Matanzas, Cuba; Unda core (DBP), Bahamas; Moin Formation, Costa Rica.