Raillietnema sp.
Intestine.
CHIAPAS: Chicoasén: Herichthys pearsei (61). Note: Specimens from same host and locality were identified as Raillietnema kritscheri (see bellow).
Raillietnema kritscheri Moravec, SalgadoMaldonado & PinedaLópez, 1993 (E) Intestine.
CAMPECHE: El Vapor: Herichthys pearsei (96), Vieja synspila (96, 148); Silvituc: H. pearsei (148). CHIAPAS: Chicoasén: H. pearsei (96). TABASCO: El Rosario: H. pearsei (62); Emiliano Zapata: H. pearsei (126); San Pedro (Balancán): H. pearsei (96).
Note: Specimens recorded as Oxyuroidea(126) and subsequently identified as R. kritscheri (142, 149).