- Source: Porrorhynchus
Porrorhynchus is a genus of beetles in the family Gyrinidae, containing the following species:
Porrorhynchus indicans (Walker, 1858)
Porrorhynchus landaisi Régimbart, 1892
Porrorhynchus marginatus Laporte, 1835
The subgenus Rhomborhynchus Ochs, 1926, containing the species Porrorhynchus depressus Régimbart, 1892 and Porrorhynchus misoolensis (Ochs, 1955), was tenatively transferred to Dineutus in 2017.