Figure 30-57. Distribution of Qpisthodonta sp. B on the outer continental shelf of the northern Gulf of Mexico based on 

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



midT — =as 



Figure 30-58. Qpisthodonta sp. B: a, anterior end; b, superior spiniger from anterior region; c, inferior falciger 

 from same; c 1 , falciger blade, frontal view, from same; d, inferior falciger from midbody region; 

 e, aciculum; scale same for c-e. 



10-63 



