131 



lobe of maxillae I is well developed and almost not shorter than the one- 

 segmented palp. The outer lobe of the maxillipeds is large and broadly 

 oval. The pereopods have nonretractile claws. 



Type species: Mimonectes loveni Bovallius, 1885. 



The genus Mimonectes was separated by Bovallius in 1885 and 

 served as the basis for the formation of the family Mimonectidae. In 

 this family Bovallius also included the genus Sphaeromimonectes, while 

 Stebbing (1904) added the. genus Parascina. Later, Woltereck (1906b, 

 1927) came to the conclusion that the genus Parascina is a younger 

 form or male of the genus Sphaeromimonectes. 



While describing the genus Mimonectes, Bovallius accepted some 

 inaccuracies (he was not certain about the number of gills) and included 

 in it the species Mimonectes steenstrupi {= Archaeoscina steenstrupi), 

 which differs from other species of the genus in the presence of a 

 mandibular palp, thereby actually belonging to another family; the dif- 

 ferences between the genera Sphaeromimonectes and Mimonectes men- 

 tioned by Woltereck almost entirely depend on the errors in the descrip- 

 tion of Bovallius and structural peculiarities of A. steenstrupi. If these 

 were not considered, the basis for the separation of these two genera 

 would disappear. Thus we are compelled to support Stephensen and Pir- 

 lot (1931) who combined the genera Mimonectes, Sphaeromimonectes, 

 and Parascina into a single genus, Mimonectes. 



The genus includes five species. 



KEY TO SPECIES OF GENUS MIMONECTES 



1. Sixth segment of pereopods I and II terminates in an acute projection 

 extending above base of the claw. Sixth segment of pereopods III and 

 IV sharply narrows distally 2. 



— Sixth segment of pereopods I and II lacking projection above base 

 of the claw. Sixth segment of pereopods III-IV only slightly narrows 

 distally 3. 



2. Sixth segment of pereopods I conical, narrowing distally. Projection 

 above claw narrow A. M. gaussi (Wolt). 



— Sixth segment of pereopods I oval, almost not narrowing distally. 

 Projection above claw broad 5. M. diomedeae (Wolt.). 



3. Sixth segment of pereopods II with notch in distal part of posterior 

 margin 1 . M. sphaericus Bov. 



— Notch absent in distal part of posterior margin of 6th segment of 

 pereopods II 4. 



4. Pereopods VI-VII with long, slightly curved claws; 3rd segment only 



slightly shorter (roughly 1/3) than 4th segment 



3. M. spandli Steph. and Pirl. 



