Spinitectus agonostomi Moravec & Barus, 1971
Intestine.
JALISCO: Ayuquila: Agonostomus monticola (138); Cuitzmala: A. monticola (68). VERACRUZ: Balzapote, Frío, La Máquina (Los Tuxtlas), La Palma (Los Tuxtlas): A. monticola (133).
Spinitectus humbertoi CaspetaMandujano & Moravec, 2000 (E) Intestine.
GUERRERO: Inzcuinatoyac: Profundulus labialis (18).
Spinitectus mexicanus CaspetaMandujano, Moravec & SalgadoMaldonado, 2000 (E) Fat, intestine, mesentery.
VERACRUZ: Frío: Heterandria bimaculata (133); La Basura (Los Tuxtlas): H. bimaculata (23, 133); La Máquina (Los Tuxtlas): H. bimaculata (23, 133), Poecilia mexicana (133); La Palma (Los Tuxtlas): H. bimaculata (23); Papaloapan (Tlacotalpan): Ictalurus furcatus (CNHE 5229); San Joaquín: H. bimaculata, P. mexicana (133).
Spinitectus osorioi Choudhury & PérezPonce de León, 2001(E) Intestine.
MICHOACÁN: Pátzcuaro: Algansea lacustris (120), Chirostoma attenuatum (25, 34, 60, 121, 132), Chirostoma estor (60, 112, 132, 140, 150), Chirostoma grandocule (60, 132); Zirahuén: C. attenuatum (34), C. estor (58).
Note: Specimens reported as Spinitectus sp.(58) and Spinitectus carolini (34, 112, 120, 121, 132, 140, 150), were redetermined as S. osorioi (25).
Spinitectus tabascoensis Moravec, GarcíaMagaña & SalgadoMaldonado, 2002 (E) Intestine.
TABASCO: Usumacinta (Boca del Cerro): Ictalurus furcatus (83). Note: Specimens were originally recorded as Spinitectus sp.(29).