are separate. Others, such as Hesionldes maxima , Microphthalmus 

 sczelkowii , and M. listensis , are hermaphroditic. Westheide (1967) and 

 Schroeder and Hermans (1975) give more detailed discussions of reproduc- 

 tion in the hesionids. 



SPECIES OF HESIONIDAE RECORDED FROM 

 GULF OF MEXICO BLM-OCS PROGRAMS 



Page 



Genus A 28-5 



Ophiodromus sp. A 28-7 



Microphthalmus sp. A 28-9 



Microphthalmus hamosus Westheide, 1982 28-11 



Microphthalmus sp. C 28-13 



Heteropodarke cf. heteromorpha Hartmann-Schroder, 1962 28-15 



Heteropodarke sp. A 28-17 



Podarke sp. A 28-19 



Podarke obscura Verrill, 1873 28-19 



Nereimyra sp. A 28-23 



Nereimyra sp. B 28-25 



Hesiospina sp. A 28-25 



Gyptis brevipalpa (Hartmann-Schroder, 1959) 28-27 



Gyptis vittata Webster and Benedict, 1887 28-29 



Amphiduros sp. A 28-34 



Amphiduros sp. B 28-34 



Hesione ? picta Miiller, 1858 28-36 



Kefersteinia cirrata (Keferstein, 1862) 28-38 



Key to the Genera of Hesionidae from 

 the Gulf of Mexico BLM-OCS Programs 



la. Four pairs of tentacular cirri Genus A, p. 28-5 



lb. More than four pairs of tentacular cirri 2 



2a. Six pairs of tentacular cirri 3 



2b. Eight pairs of tentacular cirri 8 



3a. Notopodia with numerous, long setae 4 



3b. Notopodia with few (1-3) small setae, or notosetae absent ... 5 



4a. Median antenna present Ophiodromus, p. 28-7 



4b. Median antenna absent Parahesione* 



5a. Palps simple 6 



5b. Palps biarticulate 7 



6a. Notosetae present, usually pectinate (Figures 28-6d, 8c, 10c). . . 



Microphthalmus, p. 28-9 



6b. Notosetae absent Heteropodarke, p. 28-13 



7a. Median antenna present; notosetae capillary (Figure 28-16c) or 



furcate (Figure 28-18c) Podarke, p. 28-17 



7b. Median antenna absent; notosetae absent . . . .Nereimyra, p. 28-21 



28-3 



