Montastraea annularis (Ellis and Solander, 1786).
Photographs: Top photo: Close-up of corallite (NK-457);
scale bar is approximately 0.5 mm. Bottom photo: Holotype of
Madrepora
annularis Ellis and Solander, 1786; photo is of upper colony surface.
For a field photo.
Synonyms: None.
Morphologic Description:
Colony Form: plocoid
Colony Shape: massive, columnar
Colony Surface: smooth
Budding Type: extramural
Corallite Diameter: 2.1-2.7 mm
Distance between neighboring corallites: 1-1.2 mm
Coenosteum texture: rectangular
Costae: moderately well developed
Columella Structure: trabecular
Wall Structure: septothecal
Holotype: Hunterian Museum, Glasgow.
Distribution:
early Late Pliocene: Pinecrest Sandstone, Florida
Late Pliocene: Moin Formation
late Late Pliocene: Hope Gate Formation, Jamaica
late Late Pliocene to Late Pleistocene: Clino core (BDP), Bahamas
Plio-Pleistocene: Moin Formation
Early Pleistocene: Manchioneal Formation, Jamaica
Late Pleistocene: Santo Domingo, Dominican Republic; San Andrés;
Key Largo Limestone, Florida; Falmouth Formation, Jamaica
Recent: Caribbean
To return to description of Montastraea with approx. 24 septa
click here.
Last updated October 8, 1997 - jpd