Localized, or focal, necrosis of gill filaments was observed in a few animals from both Rhode Island and Maine, but the condition was extensive on 1 gill podobranch
in only 2 lobsters from Rhode Island (Table 1).
11G): Naked podobranch
, basis with 16 setae; endopod five-segmented with 8, 15, 1, 9, 10 setae; exopod with six plumose setae.
Second maxilliped consisting of six segments as in other alvinocaridids; merus and ischium-basis fused segments moderately slender, noticeably curved, with numerous heavily plumose setae on lateral surfaces; epipod with rudimentary podobranch