Leptoseris gardineri (van der Horst, 1921).

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To view a close-up of corallites.

Photograph: Scale bar is 0.5 cm. Specimen NMB D5946 (NMB Locality 16811: Gurabo Formation, Río Gurabo, Dominican Republic. Mio-Pliocene).

Synonyms: None.

Morphologic Description:

Colony Form: meandroid
Colony Shape: branching, digitate
Colony Size: branches moderately thick
Series Length: short or absent
Budding Type: intramural
Corallite Diameter: 2.5-4.7 mm
Calical Relief: may be high, some corallites exsert
Septa Per Corallite: 14-26
Relative Septum Thickness: thick
Lobes: none
Columella Structure: absent or styliform
Columella Development: variable; weak to prominent
Wall Structure: synapticulothecal

Holotype: Unspecified. (Locality: probably Indonesia part of the collection of the Siboga Expedition 1899-1900).


Late Miocene: Cercado Formation, Dominican Republic; Unda core (BDP), Bahamas.
Late Miocene to Early Pliocene: Gurabo Formation, Dominican Republic.
Early Pliocene: Mao Formation, Dominican Republic.