Table 30. — Bathymetric occurrence of Nuculana sp. , 

 based on 84 samples and 448 specimens. 



Table 34. --Bathymetric occurrence of Yoldia myalis, 

 based on 21 samples and 47 specimens. 



Depth range (m) 



0-24 



25-49 



50-99 



100-199 



200-499 



500-999 



1000-1999 



2000-3999 



Total 



Percentage of 



Samples 



2.4 

 11.9 

 21.4 

 41.7 

 22.6 



Specimens 



0.7 



3.8 



60.9 



27.9 



6.7 



Depth range (m) 



0-24 



25-49 



50-99 



100-199 



200-499 



500-999 



1000-1999 



2000-3999 



Total 



Percentage of 



Samples 



4.8 



9.5 

 80.9 

 4.8 



Specimens 



6.4 



4.3 



87.2 



2.1 



Table 31. — Occurrence of Nuculana sp. in bottom sediments, 

 based on 82 samples and 446 specimens. 



-Occurrence of Yoldia myalis in bottom sediments, 

 based on 18 samples and 44 specimens. 



Bottom type 



Percentage of 



Gravel 



Sand-gravel 



Till 



Shell 



Sand-shel 1 



Sand 



Silty sand 



Silt 



Clay 



Total 



Samples 



2.4 



2.4 

 17.1 

 24.4 

 39.1 



1.2 

 13.4 



100.0 



Specimens 



2.5 



1.1 



27.6 



42.8 



21.5 



0.2 



4.3 



100.0 



Bottom type 



Percentage of 



Gravel 



Sand-gravel 



Till 



Shell 



Sand-shel 1 



Sand 



Silty sand 



Silt 



Clay 



Total 



Samples 



33.3 



27.7 



5.6 



11.1 



11.1 



5.6 

 5.6 



Specimens 



25.0 

 31.8 



2.3 

 27.3 



4.5 



2.3 

 6.8 



Table 32. —Bathymetric occurrence of Yoldia limatula, 

 based on 37 samples and 375 specimens. 



Table 36. — Bathymetric occurrence of Yoldia regularis, 

 based on 11 samples and 42 specimens. 



Depth range (m) 



0-24 



25-49 



50-99 



100-199 



200-499 



500-999 



1000-1999 



2000-3999 



Percentage of 



Samples 



59.5 

 29.7 



5.4 

 5.4 



Specimens 



64.3 

 28.5 



6.7 



0.5 



Depth range (m) 



0-24 



25-49 



50-99 



100-199 



200-499 



500-999 



1000-1999 



2000-3999 



Percentage of 



Samples 



9.1 



81.8 



9.1 



Specimens 



2.4 

 76.2 

 21.4 



Total 



Total 



100.0 



Table 33. — Occurrence of Yoldia limatula in bottom sediments, 

 based on 30 samples and 342 specimens. 



Table 37. — Occurrence of Yoldia regularis in bottom sediments, 

 based on 11 samples and 42 specimens. 



Bottom type 



Gravel 



Sand-gravel 



Till 



Shell 



Sand-shell 



Sand 



Silty sand 



Silt 



Clay 



Total 



Percentage of 



Samples 



70.1 



23.3 



3.3 



3.3 



100.0 



Specimens 



Bottom type 



Percentage of 



Gravel 



Sand-gravel 



Till 



Shell 



Sand-shell 



Sand 



Silty sand 



Silt 



Clay 



Total 



Samples 



54.5 



36.4 



9.1 



100.0 



Specimens 



21.4 

 57.2 



21.4 



100.0 



135 



