Porites portoricensis Vaughan, 1919.

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Photograph: (Foster, 1986, pl. 25, fig. 5) Scale bar is approx. 5 mm. USNM 68315 (USGS locality 6546, Tampa Formation, Florida. Early Miocene).

Synonyms:Goniopera clevei Vaughan, 1919, Goniopera cascadensis Vaughan, 1919, ?Porites (Synaraea) howei Vaughan, 1919, Goniopora ballistensis Weisbord, 1973, Goniopora matsoni Weisbord, 1973.

Morphologic Description:

Colony Form: plocoid
Colony Shape: branching
Colony Size: branches >20 mm thick
Corallite Distribution: even
Budding Type: extramural
Corallite Diameter: 1.6-1.8 mm
Calical Relief: intermediate, 0.3-0.5 mm in elevation
Septa Per Corallite: 12-20
Lobes: paliform
Number of Pali: 2-4
Palar Ring: intermediate sized, 30-40%
Columella Structure: trabecular and discontinuous
Columella Development: intermediate (columella=pali)
Wall Structure: synapticulothecal
Single or Compound Wall: compound, >2 trabeculae

Holotype: USNM 325061 (USGS Locality 3191, Lares Formation, Puerto Rico. Early Miocene.)

Distribution:

Late Oligocene: Tabera Group, Dominican Republic.
Early Miocene: Tampa Formation, Florida.
Late Early Miocene: Emperador Limestone, Panama; Anguilla Formation, Anguilla.
Early to Middle Miocene: Baitoa Formation, Dominican Republic.
Middle Miocene: Brasso and Tamana Formations, Trinidad.
Late Miocene: Gurabo and Cercado Formations, Dominican Republic. Early Pliocene: Mao and Gurabo Formations, Dominican Republic.
Late Pliocene: Moin Formation, Costa Rica.
Late Late Pliocene: Unda core (BDP), Bahamas; Old Pera Beds, Jamaica.
Plio-Pleistocene: Moin Formation, Costa Rica.