Oligacanthorhynchidae Petrochenko
Oligacanthorhynchidae gen. sp.
Amphibia (C): Body cavity, peritoneum.
SONORA: NA: Pachymedusa dacnicolor (Goldberg & Bursey 2002); Yecora: Lithobates tarahumarae (Bursey & Goldberg 2001) .
Specimens deposited: USNPC (89184, 89819).
Squamata (C): Body cavity, mesentery.
BAJA CALIFORNIA, CHIHUAHUA, COAHUILA, DURANGO, SINALOA, SONORA: NA: Rhinocheilus lecontei (Goldberg et al. 1998a). BAJA CALIFORNIA SUR: La Paz: Urosaurus nigricaudus (Goldberg et al. 2003a). CHIHUAHUA, SONORA: NA: Crotalus willardi (Goldberg & Bursey 2000a). HIDALGO: 1 milla S de Santa Mónica: Conopsis lineata (Goldberg & Bursey 2004c). MICHOACÁN: 38 millas S of Nueva Italia: Salvadora mexicana (Goldberg & Bursey 2004a). PUEBLA: NA: Oxybelis aeneus (Goldberg & Bursey 2001) . SINALOA: Carretera 15, Palmillas-Escuinapa: Leptodeira maculata (Goldberg & Bursey 2004c). SONORA: Cananea: Phrynosoma ditmarsi (Goldberg & Bursey 2000b); Choquincahui: Oxybelis aeneus (Goldberg & Bursey 2001); Minas Nuevas: Coluber mentovarius (Goldberg & Bursey 2004a); 20 millas E de Navojoa: Trimorphodon tau (Goldberg & Bursey 2004a).
Specimens deposited: USNPC (89184, 89269, 89819, 90585, 91935, 91978, 92435, 95048-49, 95059). Oligacanthorhynchus iheringi Travassos, 1917
Birds (A): Intestine.
NAYARIT: Presa de Aguamilpa: Buteo lineatus (Prado-Ancona 1993) . Oligacanthorhynchus tortuosa (Leidy, 1850)
Mammals (A): Intestine.
COLIMA: Centro Acuícola Xala (Tecoman)**: Didelphis virginiana . CHIAPAS: Cascadas de Agua Azul: Didelphis virginiana (Prado-Ancona 1993) . MICHOACÁN: Agua Blanca: Didelphis virginiana (Prado-Ancona 1993) . MORELOS: Progreso: Didelphis virginiana (CNHE). OAXACA: Centro Acuícola de Temascal: Didelphis virginiana (García-Varela et al. 2000) . TABASCO: Ranchería El Boquerón (Centro)**: Didelphis marsupialis; Río Oxolotlán: Philander opossum (Prado-Ancona 1993) . VERACRUZ: Arroyo Balzapote: Didelphis virginiana (Cañeda-Guzmán 1997); Ejido Lázaro Cárdenas, Laguna Escondida: Didelphis marsupialis (Cañeda-Guzmán 1997); Estación de Biología Los Tuxtlas: Didelphis marsupialis (Prado-Ancona 1993), Didelphis virginiana (Prado-Ancona 1993; Cañeda-Guzmán 1997); Playa Escondida: Didelphis virginiana, Philander opossum (Cañeda-Guzmán 1997); Sierra de Santa Martha: Nasua narica (Prado-Ancona 1993) .
Specimens deposited: CNHE (607-11, 612, 619, 2965, 4497, 4779, 5074). Oncicola luehei (Travassos, 1917) (Figures 7-8)
Amphibia (C): Mesentery.
VERACRUZ: Estación de Biología Los Tuxtlas: Smilisca cyanosticta (Goldberg et al. 2002b). Mammalia (A): Intestine.
VERACRUZ: Ejido Lázaro Cárdenas, Playa Escondida: Didelphis virginiana (Cañeda-Guzmán 1997); Estación de Biología Los Tuxtlas: Didelphis virginiana (Prado-Ancona 1993) . Oncicola sp.
Amphibia (C): Mesentery.
GUERRERO: San Pedro Las Playas (Laguna de Tres Palos): Lithobates cf. forreri (Cabrera-Guzmán et al. 2007) . VERACRUZ: Laguna Escondida: Lithobates vaillanti (Paredes-Calderón et al. 2004) . YUCATÁN: Lagunas de Yalahau: Rhinella marina (Espínola-Novelo & Guillén-Hernández 2008) .
Specimens deposited: CNHE (4111, 4455, 5864).
Oncicola spirula (von Olfers in Rudolphi, 1819)
Mammals (A): Intestine.
CHIAPAS: NA: Nasua narica (Chandler 1953) .
Notes: This species was described as Prosthenorchis spirula, and transferred to Oncicola by Schmidt (1972).
Specimens deposited: USNPC (047839).
Pachysentis gethi (Machado, 1950)
Mammals (A): Intestine.
COLIMA: La Esperanza: Didelphis virginiana (Lamothe-Argumedo et al. 1981) . GUERRERO: Puerto Marqués: Spilogale pygmaea (Salgado-Maldonado 1979b).
Notes: Records of the specimens of Guerrero were published as Prosthenorchis rugosus Machado, 1950 [currently Pachysentis rugosus (Machado, 1950)] by López-Forment & Urbano (1979); Salgado-Maldonado (1979b) re-identified this material as P. gethi without clarify this situation.
Specimens deposited: CNHE (581, 629-30).
Prosthenorchis sp.
Amphibia (C): Mesentery.
VERACRUZ: Laguna Escondida: Rhinella marina (Galicia-Guerrero et al. 2000) . Plagiorhynchidae Golvan
Plagiorhynchus rectus (Linton, 1892)
Birds (A): Intestine.
SONORA: Bahía de Guaymas: Larus sp. (Linton 1892).
Notes: This species was described as Echinorhynchus rectus by Linton (1892), and transferred to Plagiorhynchus by Van Cleave (1918).
Specimens deposited: USNPC (005431)H,P.
Plagiorhynchus sp.
Fishes (C): Mesentery.
VERACRUZ: Laguna de Alvarado: Cichlasoma urophthalmus (Trujillo-Álvarez 1995) .
Notes: Material identified as Prosthorhynchus sp., which is considered a subgenus of Plagiorhynchus (Amin, 1985) .
Amphibia (C): Mesentery.
VERACRUZ: Laguna Escondida: Lithobates vaillanti (Paredes-Calderón et al. 2004) .
Specimens deposited: CNHE (4117).
Porrorchis nickoli Salgado-Maldonado & Cruz-Reyes, 2002
Mammalia (A): Intestine.
CHIAPAS: Cascadas de Agua Azul: Didelphis virginiana (Prado-Ancona 1993; Salgado-Maldonado & Cruz-Reyes 2002), Philander opossum (Prado-Ancona 1993) . TABASCO: Río Oxolotlán: Philander opossum (Salgado-Maldonado & Cruz-Reyes 2002) . VERACRUZ: Arroyo Balzapote, Ejido Lázaro Cárdenas, Lago de Catemaco: Didelphis virginiana (Salgado-Maldonado & Cruz-Reyes 2002); Ejido Lázaro Cárdenas: Didelphis marsupialis (Cañeda-Guzmán 1997); Estación de Biología Los Tuxtlas: Didelphis marsupialis (Prado-Ancona 1993; Salgado-Maldonado & Cruz-Reyes 2002), Philander opossum (Prado- Ancona 1993); Laguna de Sontecomapan: Didelphis virginiana (Salgado-Maldonado & Cruz-Reyes 2002); Laguna Escondida: Philander opossum (Cañeda-Guzmán 1997; Salgado-Maldonado & Cruz-Reyes 2002); Martínez de la Torre: Didelphis marsupialis (Salgado-Maldonado & Cruz-Reyes 2002); Playa Escondida: Philander opossum (Cañeda-Guzmán 1997; Salgado-Maldonado & Cruz-Reyes 2002); Sierra de Santa Martha: Nasua narica (Prado-Ancona 1993; Salgado-Maldonado & Cruz-Reyes 2002).
Specimens deposited: CNHE (4377-4381)H,P.
Notes: Recorded by Prado-Ancona (1993) and Cañeda-Guzmán (1997) as Longisoma marsupialis Prado, 1993, invalid specific name only published in both Bachelor thesis.