Taken primarily from Kozloff, 1987, 1996 p. 72. (Copyright 1987, 1996, University of Washington Press. Used in this web page by permission of University of Washington Press)
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| Lower taxonomic level | Main Page | Alphabetic Index | Systematic Index | Glossary |
| 1a | Polyps bright orange; inner edges of calcareous septa not fused to vertical pillars; common intertidal and subtidal species | Balanophyllia elegans |
| 1b | Polyps beige, brown, or pink; inner edges of some calcareous septa fused to vertical pillars that arise from the bottom of the skeletal cup; subtidal | Caryophyllia alaskensis |