Helioseris cucullata (Ellis and Solander, 1786).

Photograph: The top photo is an SEM image of an individual corallite with a scale bar of 1 mm.  The bottom photo is an entire colony specimen SUI 63970 (Discovery Bay, Jamaica, 40 m. Recent) with a scale bar of approximately 2 cm.

Synonyms: None.

Morphologic Description:

Colony Form: meandroid
Colony Shape: plates, thin, explanate
Colline Characteristics: irregular, acute collines
Series Characteristics: irregular
Budding Type: intramural
Corallite Diameter: 3.0-4.6 mm
Calical Relief: high, may be exsert
Septa Per Corallite: 15-25
Relative Septum Thickness: thin and smooth
Lobes: none
Columella Structure: absent
Columella Development: ocassionally weak
Wall Structure: synapticulothecal

Holotype: Hunterian Museum, Glasgow, Scotland (Locality: unknown. Recent)

Distribution:

Early Pliocene: Mao Formation, Dominican Republic; Manchioneal Formation, Jamaica; R&iacuteo Banano Formation, Costa Rica.
Late Pliocene: Moin Formation. Costa Rica
Plio-Pleistocene: Moin Formation, Costa Rica.
Recent: Caribbean and Brazil.

To return to genus description click here.


Last updated on April 28, 1998 - vab.