FAMILY                      Metastrongylidae Leiper, 1908 [Carreno, Ramon; included taxa Anderson 1978 p.2]
GENUS                              Mariostrongylus Teixeira de Freitas & Franco, 1967:15
SPECIES                                 Mariostrongylus pessoai Teixeira de Freitas & Franco, 1967
GENUS                              Metastrongylus Molin, 1861
                                   [=Choerostrongylus Gedoelst, 1923:630] [type is brevivaginatus = pudendotectus]
                                   [=Metrastrongylus Travassos, 1914] [misspelling]
SPECIES                                 Metastrongylus apri Gmelin, 1790 [paradoxus?]
SPECIES                                 Metastrongylus asymmetricus Noda, 1973 [Cameron 1931?]
SPECIES                                 Metastrongylus confusus Jansen, 1964 [Description; Chrustalev 1981 p.421]
SPECIES                                 Metastrongylus elongatus Dujardin, 1845
SPECIES                                 Metastrongylus pudendotectus Wostokow, 1905 [Choerostrongylus]
                                        [=  brevivaginatus Railliet & Henry, 1907] [syn. Dougherty 1944 p.72]
SPECIES                                 Metastrongylus pulmonalis Koyava, 1949
SPECIES                                 Metastrongylus salmi Gedoelst, 1923
GENUS                              Micronematodum Castelli, 1926:64 [praeocc. Blecker 1858 in Pisces; ??]
TYPE SPECIES                            Micronematodum ovis Castelli, 1926 [Sardinia;  host sheep]
GENUS                              Posthalocercus Delyamure in Skrjabin, 1942 [as subgenus of Halocercus]
SPECIES                                 Posthalocercus ponticus (Delamure, 1946)
                                        [=Halocercus ponticus Delamure, 1946]
TYPE SPECIES                            Posthalocercus taurica (Delamure, 1942)
                                        [=Halocercus taurica Delamure, 1942]