Figure 28-17. Distribution of Podarke obscura on the outer continental shelf of the northern Gulf of Mexico based on its 

 occurrence ( • ) in BLM-OCS monitoring programs. 



Figure 28-18. Podarke obscura : a, anterior end; b, parapodium (anterior view); c, notoseta; d, e, composite neurosetae 

 from posterior region; f, simple neuroseta from posterior region. 



28-20 



