Neogene Marine Biota of Tropical America ("NMITA").
"Das umfassende Angebot zu Riffen für Studenten, Lehrer, Taucher,
Riffwissenschaftler und alle sonstigen Interessierten" -
http://www.riffe.de.
Hexacorals of the World - Catalogue of taxa, bibliography of literature in which they were described, inventory of type specimens, distribution maps, and images.
GLOSSARY OF CORAL MORPHOLOGIC TERMS. By A.F. Budd and K.G. Johnson, Modified in part after: Beauvais, L., C. Chaix, B. Lathuiliàre, and H. Löser, 1993. Morphological terms for describing Scleractinia: A preliminary list. Fossil Cnidaria & Porifera Newsletter 22: 50-65