Antozoarios
The following authors have studied these marine animals, also known as corallians: James Yate Johnson, who, among other works, wrote: 'Notes of the Sea-Anemones of Madeira, With Descriptions of New Species' (Proceedings of the Zoological Society of London, 1861); 'Description of a Second Species of Acanthagorgia from Madeira' (Idem, 1861); 'Descriptions of some New Corals from Madeira' (Idem, 1862); 'Description of Two Corals from Madeira, belonging to the genera Trimnoa and Mopsea' (Idem, 1862); 'Description of a New Species of Flexible Coral belonging to the Genus Juncella obtained at Madeira' (Idem, 1863); 'Notes on the Coralliidae of Madeira, With Descriptions of two new Species' (Idem, 1899). J. E. Gray published: 'Notice of a Second Species of Paragorgia discovered in Madeira by James Yate Johnson' (Annals and Magazine of Natural History, 1862). P. Martin Duncan wrote: 'On some recent Corals from Madeira' (Proceedings of the Zoological Society of London, 1882).