Genus description from Bertolani 1981: “Amphibolus-type claws (that is asymmetric claws, each constituted of three clearly defined sections one on top of the other), crest-shaped appendices for the insertion of stylet muscles on the buccal tube, buccal lamellae curving inwards, and freely laid ornamented eggs.”
![](https://tardigrada.help/wp-content/uploads/2023/03/claws-eohypsibius.jpg)
![](https://tardigrada.help/wp-content/uploads/2023/03/buccal-bertolanius.jpg)
![](https://tardigrada.help/wp-content/uploads/2023/03/furca-typical.jpg)
Citations:
Bertolani R. 1981. The taxonomic position of some eutardigrades. Bollettino di zoologia. 48: 197-203.