@article{fdi:010074613, title = {{T}wo new species of {P}rotogyrodactylus ({M}onogenoidea : {D}actylogyridae) from the gills of {G}erres nigri ({T}eleostei : {G}erreidae) from {S}enegal}, author = {{B}oeger, {W}. {A}. and {D}iamanka, {A}. and {P}ariselle, {A}ntoine and {P}atella, {L}.}, editor = {}, language = {{ENG}}, abstract = {{P}rotogyrodactylus ethiopicus sp. n. and {P}. kritskyi sp. n. are described from the gills of {G}erres nigri {G}unther ({G}erreidae, {P}erciformes) captured from the estuary of the {S}ine-{S}aloum {R}iver ({S}enegal, {W}est {A}frica). {T}hese new species differ from previously described species within the genus by a mid- or dextro-ventral vaginal opening (dextral in all other species). {T}hey are part of a morphological. species group within {P}rotogyrodactylus {J}ohnston et {T}iegs, 1922 that has the tip of the superficial root of the ventral anchor resembling a hook and two anterior projections on the anterior margin of the ventral bar. {P}rotogyrodactylus ethiopicus differs from the remaining species in this group mainly by the morphology of the base of the male copulatory organ ({MCO}), which is disk-shaped, and the shape of the anterior projections of the ventral bar (round in the new species and relatively elongate in the other species of the group). {T}he other new species, {P} kritskyi, differs from all others in the same morphological group in having a {MCO} with a greatly expanded base that bears a heel-like subterminal sclerotization.}, keywords = {{P}rotogyrodactylus ; {G}erres nigri ; {S}enegal ; {P}rotogyrodactylus ethiopicus ; {P}rotogyrodactylus kritskyi ; {SENEGAL} ; {SINE} {SALOUM} {ESTUAIRE}}, booktitle = {}, journal = {{F}olia {P}arasitologica}, volume = {59}, numero = {1}, pages = {59--63}, ISSN = {0015-5683}, year = {2012}, URL = {https://www.documentation.ird.fr/hor/fdi:010074613}, }