event  cast  cycle     date_local  lat       lon        depth  niskin  taxon               
950    70    Cycle_4   07192010    8.39218   -89.99424  12     20      diatoms             
950    70    Cycle_4   07192010    8.39218   -89.99424  12     20      autotrophic_dinos   
950    70    Cycle_4   07192010    8.39218   -89.99424  12     20      prymnesiophytes     
950    70    Cycle_4   07192010    8.39218   -89.99424  12     20      autotrophic_flags   
950    70    Cycle_4   07192010    8.39218   -89.99424  12     20      cryptophytes        
950    70    Cycle_4   07192010    8.39218   -89.99424  12     20      all