Bryocamptus (Bryocamptus), Bryocamptus Bryocamptus Chappuis, 1929

Novikov, Aleksandr, Sharafutdinova, Dayana & Chertoprud, Elena, 2023, Two new species of Bryocamptus (Copepoda, Harpacticoida, Canthocamptidae) from the Russian Arctic and comparison with Bryocamptus minutus (Claus, 1863), ZooKeys 1138, pp. 89-141 : 89

Subgenus Bryocamptus Bryocamptus Chappuis, 1929

Remarks.

Bryocamptus is a very large genus with ~ 135 species and subspecies in four subgenera: B. (Arcticocamptus) Chappuis, 1929, B. ( Bryocamptus ) Chappuis, 1928, B. (Echinocamptus) Chappuis, 1929 and B. (Rheocamptus) Borutzky, 1952. Additionally, two subgenera were earlier designated as not valid B. (Limocamptus) Chappuis, 1929 and B. (Pentacamptus) Wiley, 1934.

In our opinion, this is one of the genera of the family most in need of revision. The first reason is that there are no clear diagnostic characters for the entire genus. Previously, this character was the two-segment exopod A2; however, this character is plesiomorphic for the entire family Canthocamptidae , so it may be an adequate solution to separate at least part of the subgenera into separate genera. The second reason is the blurred line between B. (Bryocamptus) and B. (Rheocamptus) . Borutzky (1952) in the differences between these subgenera indicates the difference in segmentation of the endopods P1-P4, which again contrasts plesiomorphic and apomorphic characters. In our opinion, an essential part of the B. (Rheocamptus) species should in fact be transferred to the type subgenus.

Unfortunately, at the moment we do not have enough data and material to revise the subgenera, so in this work we adhere to the classification given by Dussart and Defaye (1990).