This list of fossil arthropods described in 2017 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids and other fossil arthropods of every kind described during the year 2017, as well as other significant discoveries and events related to arthropod paleontology occurring in 2017.
Arachnids
Research A study on the anatomy of the Carboniferous whip spider Graeophonus anglicus, as well as on the phylogenetic relationships of fossil whip spiders, is published by Garwood et al. (2017). A study on the morphological diversity of fossil species belonging to the family Archaeidae compared with the diversity of extant species is published by Wood (2017). A specimen of the tick species Cornupalpatum burmanicum entangled in a pennaceous feather of an early bird or non-avian pennaraptoran theropod is described from the Cretaceous amber from Myanmar by Peñalver et al. (2017).
New taxa