T 

 98° 



— r 



96° 



TEXAS 



— r 



94° 



92 



LOUISIANA 



1 



90° 



MISSISSIPPI 



88° 86° 



ALABAMA 



-28° 



I 



801 



Figure 30-55. Distribution of Opisthodonta sp. A on the outer continental shelf of the northern Gulf of Mexico based on 

 its occurrence ( • ) in BLM-OCS monitoring programs. 



midT 



Figure 30-56. Opisthodonta sp. ft: a, anterior end; b, superior falciger from anterior region; c, inferior falciger from 

 same; d, superior simple seta; e, inferior simple seta; f, aciculum; scale same for b-f. 



30-61 



