The article offers information on squilloides tchindonova and tchesunov. It mentions both specimens of Tchindonova and Tchesunov have a free telson, which is not found in any isopod. It mentions telson suture is not present in any other spelaeogriphacean. It mentions fossil Spinogriphus Jaume, Pinardo-Moya and Boxshall, have six segments.