69 



variant, L. pacifica var. robusta, and proposes that they live on large 

 deepwater siphonophores endowed with strong muscular gastrozooids. 



Distribution: Northern, centra! and southern regions of the Atlantic, 

 Indian, and Pacific oceans. Not reported from the Arctic Basin and 

 Antarctic waters. It inhabits a wide range of depths, meso- and 

 bathypelagic, from 100-200 (juvenile specimens) to 3,000-4,000 m, 

 and descends even deeper; it has been reported in catches from 

 4,000-8,000 m in the Kuril-kamchatka region of the Pacific Ocean. 



60 5. Lanceola falsa Vinogradov, 1970 (Fig. 10) 



Vinogradov, 1970: 391. 



Length of sexually mature females 22-24 mm. Males not known. 

 The body has neither a keel nor spines.The integument is thin. The head 

 has a small, poorly developed falcate rostrum. The eyes are reniform, 

 distinct, but smaller than in L. sayana. 



Antennae I are relatively short and broad; in the flagellum the prox- 

 imal segment is slightly pubescent, the apical segment elongated-oval 

 and bears two subapical, short setae that are longer than the 1st and 2nd 



60 



Fig. 10. Lanceola falsa Vinogradov, female (after Vinogradov, 1970). 



