Figure 28-23. Distribution of Hesiospina sp. A on the outer continental shelf of the northern Gulf of Mexico based on its 

 occurrence ( • ) in BLM-OCS monitoring programs. 



Figure 28-24. Hesiospina sp. A: a, anterior end; b, parapodium (anterior view); c, notopodial spine; d, long-bladed 

 composite neuroseta; e, acicular neuroseta. 



28-26 



