In the same year Giesbrecht proposed his division of the order into Gymnoplea and Podoplea.
In the former case the hind-body, consisting only of the abdomen, forms a pleon or tail-part devoid of feet, and the species so constructed are Gymnoplea, those of the naked or footless pleon.
Even this verbal flaw would be obviated if Giesbrecht could prove his tentative hypothesis, that the Gymnoplea may have lost a pre-genital segment of the abdomen, and the Podoplea may have lost the last segment of the thorax.
The presence of a heart in this genus helps to make it a link between the Podoplea and Gymnoplea, though in various other respects it approaches the next family.
St Petersburg, " Caspian Entomostraca " (1897); Giesbrecht and Schmeil, " Copepoda gymnoplea," Das Tierreich (1898); Giesbrecht, " Asterocheriden," F.