tracheae, and no median eyes. Together with the 305-million-year-old Hastocularis argus, it forms the suborder Tetrophthalmi, which was though to form the...

Garwood identified the specimen as a novel species, Hastocularis argus, named for the 100-eyed giant Argus Panoptes in Greek mythology. According to their...

pseudoscorpion Hastocularis Gen. et sp. nov Valid Garwood et al. Carboniferous (late Stephanian)  France A Tetrophthalmi Opiliones. The type species is H. argus. Kronocharon...