title: A New Fossil of Necrotauliidae (Insecta: Trichoptera) from the Jiulongshan Formation of China and Its Taxonomic Significance.
abstract: Acisarcuatus variradius gen. et sp. nov., an extinct new species representing a new genus, is described from the Middle Jurassic Jiulongshan Formation in Daohugou Village, Inner Mongolia, China.
  
  
  
  In this paper, we revised the diagnosis of Necrotauliidae Handlirsch, 1906. One new genus and species of Necrotauliidae is described. An analysis based on the fossil morphological characters clarified the taxonomic status of the new taxa.
  
  
  
  New fossil evidence supports the viewpoint that the family Necrotauliidae belongs to the Integripalpia.
authors.affiliation: Key Lab of Insect Evolution and Environmental Changes, Capital Normal University, Beijing, 100048, China.
authors.forename: Yujia
authors.initials: Y
authors.lastname: Liu
authors.affiliation: Geoscience Museum, Shijiazhuang University of Economics, Shijiazhuang, 050031, China.
authors.forename: Weiting
authors.initials: W
authors.lastname: Zhang
authors.affiliation: Key Lab of Insect Evolution and Environmental Changes, Capital Normal University, Beijing, 100048, China.
authors.forename: Yunzhi
authors.initials: Y
authors.lastname: Yao
authors.affiliation: Key Lab of Insect Evolution and Environmental Changes, Capital Normal University, Beijing, 100048, China.
authors.forename: Dong
authors.initials: D
authors.lastname: Ren
mesh_terms: D000818:Animals; D002681:China; D002965:Classification; D005580:Fossils; D007313:Insecta / Q000033:anatomy & histology / Q000145:classification; D008297:Male