Undaria sp. A.
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A SEM image is presently unavailable.
Photograph: Scale bar is approx. 0.5 cm. Image is of SUI 63590 (Gurabo Formation, Río Gurabo, Dominican Republic. Mio-Pliocene).
Morphologic Description:Colony Form: meandroidColony Shape: thickened platesColline Characteristics: rounded or acuteSeries Length: moderately long Budding Type: intramuralCorallite Diameter: 2.8-4.3 mmSepta Per Corallite: 19-35 long septaLobes: noneColumella Structure: trabecular and discontinuousColumella Development: prominentWall Structure: synapticulothecal
Distribution:Late Miocene to Early Pliocene: Gurabo Formation, Dominican Republic. Early Pliocene: Mao Formation, Dominican Republic.