 "Graeophonus" is related to the modern African genus "Paracharon" and has been placed in the same family, Paracharontidae.A single fossil from the Cape Breton, Nova Scotia area was interpreted as a fossil dragonfly larvae and described by Samuel Hubbard Scudder in 1876 as "Libellula carbonaria".The fossil was very incomplete, consisting of a solitary opisthosoma.