Undaria crassa (Verrill, 1901).


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Photograph: Scale bar is approx. 0.4 cm. Image of SUI 63807 (Gurabo Formation, Río Cana, Dominican Republic. Mio-Pliocene).

Synonyms: None.

Morphologic Description:

Colony Form: meandroid
Colony Shape: plates, small mounds or irregular masses
Colline Characteristics: acute
Series Length: short
Series Characteristics: reticulate
Budding Type: intramural
Corallite Diameter: 1.9-3.0 mm
Calical Relief: high
Septa Per Corallite: 20-33
Lobes: none
Columella Structure: trabecular and discontinuous
Columella Development: weak
Wall Structure: synapticulothecal

Holotype:YPM 6617 (Locality Nassau, New Providence Island, Bahamas. Recent.)

Distribution:

Late Miocene: Cercado Formation, Dominican Republic; Unda, Bahamas.
Late Miocene to Early Pliocene: Gurabo Formation, Dominican Republic.
Early Pliocene: Mao Formation, Dominican Republic.
Late Pliocene: Moin Formation, Costa Rica.
Late Late Pliocene: Clino and Unda cores (BDP), Bahamas; Old Pera Beds, Jamaica.
Plio-Pleistocene: Moin Formation, Costa Rica.
Early Pleistocene: Manchioneal Formation, Jamaica; Río Banano, Costa Rica.
Late Pleistocene: Falmouth Formation, Jamaica.
Recent: Caribbean and Brazil.


Last updated on February 15, 1997-afb.


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