Table 302.— Bathymetric occurrence of Thraciidae, 

 based on 19 samples and 36 specimens. 



Table 306. --Bathymetric occurrence of Thracia septentrionalis, 

 based on 13 samples and 46 specimens. 



Depth range (m) 



0-24 



25-49 



50-99 



100-199 



200-499 



500-999 



1000-1999 



2000-3999 



Total 



Percentage of 



Samples 



36.8 

 26.3 

 21.1 

 5.3 

 10.5 



100.0 



Specimens 



33.3 

 25.0 

 25.0 

 2.8 

 13.9 



Depth range (m) 



Percentage of 



0-24 



25-49 



50-99 



100-199 



200-499 



500-999 



1000-1999 



2000-3999 



Total 



Samples 



7.7 

 30.8 

 61.5 



Specimens 



4.4 

 21.7 

 73.9 



100.0 



Table 303. — Occurrence of Thraciidae in bottom sediments, 

 based on 19 samples and 36 specimens. 



Table 307. --Occurrence of Thracia septentrionalis in bottom 

 sediments, based on 12 samples and 45 specimens. 



Bottom type 



Gravel 



Sand-gravel 



Till 



Shell 



Sand-shell 



Sand 



Silty sand 



Silt 



Clay 



Total 



Percentage of 



Samples 



15.8 

 73.7 

 10.5 



100.0 



Specimens 



8.3 

 77.8 

 13.9 



Bottom type 



Gravel 



Sand-gravel 



Till 



Shell 



Sand-shell 



Sand 



Silty sand 



Silt 



Clay 



Total 



Percentage of 



Samples 



91.7 



Specimens 



6.7 



100.0 



Table 304. —Bathymetric occurrence of Thracia conradi, 

 based on 6 samples and 10 specimens. 



Table 308. --Bathymetric occurrence of Poromya sp. , 

 based on six samples and six specimens. 



Depth range (m) 



0-24 



25-49 



50-99 



100-199 



200-499 



500-999 



1000-1999 



2000-3999 



Percentage of 



Samples 



50.0 

 16.7 

 33.3 



Specimens 



70.0 

 10.0 

 20.0 



Depth range (m) 



0-24 



25-49 



50-99 



100-199 



200-499 



500-999 



1000-1999 



2000-3999 



Percentage of 



Samples 



16.7 

 33.3 



33.3 

 16.7 



Specimens 



16.7 

 33.3 



33.3 

 16.7 



Total 



100.0 



100.0 



Total 



100.0 



lable 305.— Occurrence of Thracia conradi in bottom sediments, 

 based on 6 samples and 10 specimens. 



Table 309. — Occurrence of Poromya sp. in bottom sediments, 

 based on six samples and six specimens. 



Bottom type 



Percentage of 



Samples 



Specimens 



Bottom type 



Percentage of 



Samples 



Specimens 



Gravel 



Sand-gravel 



Till 



Shell 



Sand-shell 



Sand 



Silty sand 



Silt 



Clay 



Total 



16.7 



16.7 

 33.3 

 33.3 



10.0 

 20.0 

 40.0 



Gravel 



Sand-gravel 



Till 



Shell 



Sand-shell 



Sand 



Silty sand 



Silt 



Clay 



Total 



16.7 

 50.0 

 33.3 



100.0 



16.7 

 50.0 

 33.3 



169 



