Goslinophis is an extinct genus of marine snake eel known the Eocene of Europe. It contains a single species, G. acuticaudus from the Early Eocene-aged Monte Bolca site of Italy. It shares some similarities with the closely-related modern genus Echelus, and may potentially be synonymous with it.
The species was first figured in 1796 by Giovanni Serafino Volta, who identified it as a fossil specimen of "Muraena ophis", the modern spotted snake eel. In 1835, Louis Agassiz identified it as a distinct species, naming it Ophisurus acuticaudus, but without a proper description, leaving it a nomen nudum. The species was officially described by de Zigno in 1874, using Agassiz's name. In 1981, Blot moved the species to its own genus, Goslinophis.