Contracaecum Railliet and Henry, 1912

(= Amphicaecum Walton, 1927; = Cerascaris Cobb, 1929; Contracaecum (Ornitocaecum) Mozgovoi, 1951; = Contracaecum (Synthetonema) Kreis, 1952; = Kathleena Leiper and Atkinson, 1914)

Contracaecum sp. (larvae)

Host and record: Dendropsophus nanus (Boulenger, 1889) (= Hyla nana) (Co), Lithobates catesbeianus (Shaw, 1802) (Sj) .

Site of infection: Mesentery, gastric serous membrane.

Material deposited: CECOAL 13111101 ( L. catesbeianus).

References: Hamann & Kehr (1998), González et al. (2014).

Life cycle: Species of the genus Contracaecum do not reach maturity in frogs. These species requires an intermediate host (aquatic invertebrates or fishes) to complete its cycle; the definitive hosts are piscivorous birds and aquatic mammals (Anderson 2000).