(Chamberlin, 1919)
Nuchal organs extended backward as branched lobes. Anal cirri spathulate. More characters can be accessed by backtracking the key:
Page 400
%LABEL% (%SOURCE%)
(Chamberlin, 1919)
Nuchal organs extended backward as branched lobes. Anal cirri spathulate. More characters can be accessed by backtracking the key:
Page 400
%LABEL% (%SOURCE%)