Ramulus lineaticeps is a species of phasmid or stick insect. Ramulus lobulatus is a species of phasmid or stick insect. Carausius proximus is a species of phasmid. Four subfamilies are placed here according to the Phasmid Study Group. In 1908 Shelford produced a catalogue of Central American phasmid species. At this point, an insectoid cryptid known as the Insulindian Phasmid appears from the reeds. Phobaeticus hypharpax, is a species of phasmid or stick insect of the genus "Phobaeticus". Sosibia quadrispinosa, is a species of phasmid or leaf insect of the genus "Sosibia". The species has the Phasmid Study Group number PSG9. Phyllium (Phyllium) geryon, is a species of phasmid or leaf insect of the genus "Phyllium". Phyllium (Phyllium) athanysus, is a species of phasmid or stick insect of the genus "Phyllium". Following the Phasmid Study Group, nine subfamilies are recognized in the Phasmatidae. Over 40 species of Phasmid have been named after members of the group. Instead of one centralized control system, it seems each leg of a phasmid operates independently. Phasmid Studies is issued occasionally and contains scientific papers and longer articles.