BioStor
 | Zur systematik der achtarmigen Cephalopoden G Grimpe (1916) Zoologischer Anzeiger Leipzig 48: 320-338 |
 | System und Stammesgeschichte der Plexauridae W Kukenthal (1917) Zoologischer Anzeiger 48: 330-336 |
 | System und Stammesgeschichte der Plexauridae (1917) Zoologischer Anzeiger Leipzig 48: 340-347 |
 | A review of the gorgonacean genus Placogorgia Studer, with a description of Placogorgia tribuloides, a new species from the Straits of Florida (1959) Journal of The Washington Academy of Sciences 49: 54-61 |
 | 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 |