Perineus concinnus (Kellogg & Chapman, 1899)
Lipeurus concinnus Kellogg & Chapman, 1899: 97, pl. 7, fig. 2.
Baja California: Hydrobates macrodactylus, Guadalupe Island, 1897, R.C. McGregor (Kellogg & Mann 1912); Phoebastria immutabilis, San Gerónimo Island, 1897, R.C. McGregor (Kellogg & Mann 1912).
Note: Specimens of P. concinnus were identified by Kellogg & Mann (1912) as “ Lipeurus concinnus Kellogg ”. The host given as “ Hydrobates macrodactylus ” is most likely the result of a contamination (see Palma 1994).