BioStor
 | Key to the genera of Octocorallia exclusive of Pennatulacea (Coelenterata: Anthozoa), with diagnoses of new taxa Frederick M Bayer (1981) Proceedings of the Biological Society of Washington 94: 902-947 |
 | Case 2940. Riisea and riisei Duchassaing & Michelotti, 1860 (Cnidaria, Anthozoa): proposed conservation as the correct original spellings of generic and specific names based on the surname Riise F M Bayer and M Grasshoff (1997) Bulletin of Zoological Nomenclature 54: 11-13 |
 | OPINION 1895 Riisea and riisei Duchassaing & Michelotti, 1860 (Cnidaria, Anthozoa): conserved as the correct original spellings of generic and specific names based on the surname Riise (1998) Bulletin of Zoological Nomenclature 55: 121-122 |
 | Index Pennatulacea Annotated Bibliography and Indexes of the Sea Pens (Coelenterata: Octocorallia) of the World 1469-1999 Gary Campbell Williams (1999) Proceedings of the California Academy of Sciences 51: 19-103 |