2 literature references for Arachnocephalus angustifrons Chopard, 1955:

Author: Chopard
Year: 1955
Title:
Source: South African Animal Life; Results of the Lund University Expedition in 1950-1951 2
Author: Chopard In Beier [Ed.]
Year: 1968
Title: Fam. Gryllidae: Subfam. Mogoplistinae, Myrmecophilinae, Scleropterinae, Cachoplistinae, Pteroplistinae, Pentacentrinae, Phalangopsinae, Trigonidiinae, Eneopterinae; Fam. Oecanthidae, Gryllotalpidae
Source: Orthopterorum Catalogus, Orthopterorum Catalogus 12:213-500