Cyclocosmiatruncata is a species of cork-lid trapdoor spider in the family Halonoproctidae. It is found in the United States. "NMBE World Spider Catalog...
same time. Halonoproctus is now considered to be a junior synonym of Cyclocosmia, but this does not alter the priority of the name Halonoproctinae. Studies...
antenna or mandibles to any potential intruders. The trapdoor spider Cyclocosmia has an abdomen ending in a hardened disc that it uses to plug the entrance...