2 literature references for Paratrigonidium grande Perkins, R.C.L., 1899:

Author: Perkins, R.C.L.
Year: 1899
Title: Orthoptera
Source: Fauna Hawaiiensis, Orth. 2:1-30
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