Stylophora imperatoris Vaughan, 1919.

CC species number = 8

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For a close-up of corallites.

Photograph: Scale bar is approx. 5.0 mm. Image is of UF8909.

Synonyms: None.

Holotype: USNM 324752 (Locality: USGS 6016, La Boca Formation, Panama. Early Miocene).

Morphologic Description

Character State
Colony Form plocoid
Colony Shape flattened branching fronds
Colony Size fronds 1-2 cm by >2-3 cm (*)
Colony Surface mostly smooth, sometimes ridged (*)
Budding Type mostly extramural
Corallite Diameter 0.8-1.0 mm (*)
Calical Surface Shape circular to elliptical
Calical Rim raised
Coenosteum Width moderate, =< corallite diameter (*)
Coenosteum Surface granulations and no grooves
Septa Per Corallite 6
Columella Structure styliform
Columella Development weak
Wall Structure septothecal


  • Late Early Miocene: Emperador Limestone, Panama; Chipola Formation, Florida; Anguilla Formation, Anguilla.
  • Late Miocene: Manzanilla Formation, Trinidad.

  • Last updated on February 15, 1997-afb.

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