NO. 3570 PANDARIDAE — CRESSET 41 



Dinemoura ferox (Kr0yer, 1838) 



Figures 192, 193 



Dinematura ferox Kr0yer, 1838, p. 40. — Steenstrup and Liitken, 1861, p. 376. — 

 Olsson, 1868, p. 17.— Meirs, 1880, p. 71.— Bassett-Smith, 1899, p. 463. — 

 Wilson, 1907, p. 377; 1920, p. 7.— Hansen, 1923, p. 33.— Stephensen, 1940, 

 p. 5.— Yamaguti, 1963, p. 117. 



Dinemoura ferox. — Milne-Edwards, 1840, p. 465. 



Dinemoura elongatus Beneden, 1857, p. 226. 



Dinematura carcharodonti Thomson, 1889, p. 360. 



Specimens studied. — Two collections from the U.S. National 

 Museum: USNM 12036 from a shark caught off Iceland, USNM 

 37783 (no collection data). 



Female. — Body form as in figure 192. Total length 32 mm (based 

 on 1 specimen). Greatest width 10 mm. The female of this species 

 has been well illustrated by Kr0yer (1838) and Steenstrup and Liitken 

 (1861) so that I will not repeat the figures here. Dorsal thoracic 

 plates on segment 4. Plates extending slightly over proximal portion 

 of genital segment. Genital segment large, about one-half body 

 length. Abdomen 2-segmented. Fu'st segment bearing lateral wing- 

 like projections. Caudal rami large and with 4 short spines along 

 distal margin. Oral area as in figure 193. No adhesion pads asso- 

 ciated with first and second antenna. A small pad with maxilliped. 

 Oral appendages as in D. producta. The claw of the maxilliped is 

 larger in D. ferox than in D. producta. 



Legs 1-4 as in figure 193. Spine and setal formula as follows: 



Legs 5 and 6 represented by a series of lobes on posterior ventral 

 surface of genital segment (see fig. 193). Lobes nearest to attachment 

 of abdomen probably represent leg 6. Single most posterior lobe 

 undoubtedly represents leg 5. 



Egg strings long and straight. 



Color in preserved specimens cream yellow and lacking pigment. 



Male. — Hansen (1932) described a copepod identified by Kr0yer 

 as the male of D. ferox. He did not mention the presence of spermato- 

 phores which should be the foremost character relating to its sex. 

 The fourth legs are not modified as in the female. The description 

 in general is insufficient; that this is actually the male of D. ferox 



