352 Trematodes of Marine Fishes 
Genus Diplozoon 
222. D. paradoxum v. Nordmann 
Sub-Family Hexacotylinae 
Genus Hexacotyle 
223. H. thynni (Delaroclie) 
Sub-Family Pleurocotylinae 
Genus Pleurocotyle 
224. P. scombri (Grube) 
(Gruhea cochlear Diesing) 
Sub-Family Plectanocotylinae 
Genus Plectanocotyle 
225. P. lorenzi Monticelli 
Genus Phyllocotyle 
226. P. gurnardi v. Beneden and 
Hesse 
Sub-Family Onchocotylinae 
Genus Onchocotyle 
227. 0. appendiculata (Kuhn) 
228. 0. emarginata Olsson 
Genus Squalonchocotyle 
229. S. borealis (v. Ben.) 
230. S. abbreviata (Olsson) 
Family Miceocotylidae 
Sub-Family Microootylinae 
Genus Microcotyle 
231. M. labracis v. Ben. and Hesse 
232. M. donavini v. Ben. and Hesse 
233. M. draconis Briot 
234. M. acanthurum Par. and Per. 
Sub-Family Axininae 
Genus Axine 
235. A. belones Abildgaard 
236. A. triglae v. Ben. and Hesse 
Genus Gastrocotyle 
237. G. trachuri v. Ben. and Hesse 
Genus Pseudaxine 
238. P. trachuri Par. and Per. 
Family Gyeodactylidae 
Sub-Family Gyrodactylinae 
Genus Gyrodactylus 
239. G. elegans v. Nordmann 
240. G. groenlandicus Levinsen 
Sub-Family Diplectaninae 
Genus Diplectanum 
241. D. aequans (Wagener) 
Authority. 
V. Beneden 1861, Zeller 1872, 1888. 
Linton 1901, Delaroclie 1811. 
Pratt 1900, Taschenberg 1879 b. 
Monticelli 1899. 
V. Beneden and Hesse 1864, T. Scott 1905. 
Y. Beneden 1861, Taschenberg 1879 a. 
Olsson 1876, Cerfontaine 1899. 
Cerfontaine 1899, v. Beneden 1853. 
Olsson 1876, Cerfontaine 1899. 
V. Beneden and Hesse 1864, T. Scott 1905. 
V. Beneden and Hesse 1864, Scott 1905. 
Briot 1904, Nicoll 1914. 
Parona and Perugia 1890, G. and W. 
MacCallum 1913. 
V. Beneden and Hesse 1864, T. Scott 1911. 
V. Beneden and Hesse 1864, Taschenberg 
1879 b. 
V. Beneden and Hesse 1864, Pratt 1900. 
Parona and Perugia 1890, Pratt 1900. 
Wagener 1860, Kathariner 1904. 
Levinsen 1881, Pratt 1900. 
V. Beneden and Hesse 1864, Maclaren 1904. 
