event  cast  cycle     date_local  lat       lon        depth  niskin  taxon               size_class  abundance  
416    33    Cycle_2   07062010    8.97098   -90.49760  20     16      autotrophic_dinos   lt2         0          
416    33    Cycle_2   07062010    8.97098   -90.49760  20     16      autotrophic_dinos   2_to_10     426        
416    33    Cycle_2   07062010    8.97098   -90.49760  20     16      autotrophic_dinos   10_to_20    11         
416    33    Cycle_2   07062010    8.97098   -90.49760  20     16      autotrophic_dinos   gt20        3          
416    33    Cycle_2   07062010    8.97098   -90.49760  20     16      autotrophic_dinos   total       440