428 



PART II. SYSTEMATIC ACCOUNT 



Fig. 165. Lamellhabella zachsi: 

 A - part of a girdle; В - toothed 

 platelet; С - spermatophore. 

 da - anterior group of teeth; 

 dp - posterior group of teeth; 

 f\l - filament of spermatophore. 



The firm thick-walled tube is brown or black, with an even surface and no 

 segments. Probably, as in L. johanssoni, the front end is furnished with a 

 rigid oral funnel, though up to the present this has not been observed. The 

 longest fragment is 30 cm long and up to 1-6 mm in diameter. 



This species is distinguished from L. johanssoni by the greater size of the 

 body, by the considerably larger number of tentacles and by the ventral gap 

 between the narrower keels of the bridle, which do not form sharply raised 

 crests. 



Material: many tubes, some with animals, were taken in 1932 by P. V. 

 Ushakov in the Sea of Okhotsk; a few specimens were collected later in far 

 eastern seas. 



Localities : the southern part of the Sea of Okhotsk and the western part 

 of the Bering Sea. 



Depth: 2917-3500 m. 



