Contracaecum

Garrido-Olvera, Lorena, García-Prieto, Luis & León, Gerardo Pérez-Ponce De, 2006, Checklist of the adult nematode parasites of fishes in freshwater localities from Mexico, Zootaxa 1201, pp. 1-45 : 44

Contracaecum sp.

Body cavity, fat, intestinal wall, intestine, mesentery, serous membrane covering stomach, stomacal wall.

MICHOACÁN: Chapultepec: Allotoca diazi ( CNHE 4871); Orandino: Goodea atripinnis ( CNHE 4858). NAYARIT: Jesús María Corte: Cichlasoma beani ( CNHE 4972, 4973, 4974), Xiphophorus hellerii ( CNHE 4971). OAXACA: Miguel Alemán (Temascal): Cathorops aguadulce ( CNHE 4964, 4968), Rhamdia sp.( CNHE 4961, 4962, 4963, 4966); Tonto: C. aguadulce ( CNHE 4967), Ictalurus furcatus ( CNHE 4965, 4969, 4970). TAMAULIPAS: Falcón: Ameiurus sp.( CNHE 4992); Marte R. Gómez: Astyanax sp.( CNHE 4989), Micropterus salmoides ( CNHE 4990, 4991); Soto La Marina: Centropomus sp.( CNHE 4988), Gobiomorus sp.( CNHE 4987). VERACRUZ: Papaloapan (Tlacotalpan): Centropomus sp.( CNHE 4994, 4996, 4997), Centropomus undecimalis ( CNHE 4956, 4957, 4959), I. furcatus ( CNHE 4960).