''Permotanyderus'' is an extinct

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of protodipteran

insect Insects (from Latin ') are Hexapoda, hexapod invertebrates of the class (biology), class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (Insect morphology#Head, head, ...

of the Permotanyderidae family, first described by Edgar F. Riek in Australia in 1953 and which contains a single species ''P. ableptus''. Evidence of the presence of

Diptera Flies are insects of the order Diptera, the name being derived from the Greek δι- ''di-'' "two", and πτερόν ''pteron'' "wing". Insects of this order use only a single pair of wings to fly, the hindwings having evolved into advance ...

or their direct predecessors in the

Upper Permian The Permian ( ) is a geologic period and stratigraphic system which spans 47 million years, from the end of the Carboniferous Period million years ago (Mya), to the beginning of the Triassic Period 251.902 Mya. It is the sixth and last period o ...

of Australia is shown by the presence of

Mecoptera Mecoptera (from the Greek language, Greek: ''mecos'' = "long", ''ptera'' = "wings") is an Order (biology), order of insects in the superorder Holometabola with about six hundred species in nine Family (biology), families worldwide. Mecopterans a ...

in those formations. The Paratrichoptera of the Upper Permian probably, and those of the Triassic certainly, have been considered survivors of the maternal group. Riek described in 1953 two species of protodipteran of the Upper Permian of Australia: ''Permotanyderus ableptus'' and '' Choristotanyderus nanus'' joining '' Permotipula patricia'' named by Tillyard in 1929, but these cannot be attributed to any of the sub-groups of the dipterans or their direct predecessors.S.C. Willemstein. ''An evolutionary basis for pollination ecology''. Pág. 97
.

References

Fossil taxa described in 1953 Monotypic prehistoric insect genera Permian insects Prehistoric arthropods of Oceania Protodiptera {{permian-insect-stub