NMITA: Neogene Marine Biota of Tropical America 

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Photograph: Holotype of Sphenotrochus trinitatis Vaughan in Vaughan & Hoffmeister, 1926; specimen USNM M353645, locality USGS 8301 (Machapoorie Quarry, Trinidad).

Scale: GCD = 9.0 mm.

• NMITA home page
• Azooxanthellate Corals
• List of Azooxanthellate Taxa

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Last updated on July 22, 1997 - jpd.