New species of permochoristids (Insecta, Mecoptera) from the late Middle Triassic Tongclwan entomofauna in Shaanxi Province, northwestern China

Permochoristidae is one of the most diverse mecopteran families in the fossil record, but only a few species have been previously described from China. Herein, we describe and illustrate two new permochoristid species, Mesochorista tongchuanensis sp. nov. and Agetopanorpa sinica sp. nov., from the late Middle Triassic of Yanchang Formation in Shaanxi Province. Mesochorista conjunctiva comb. n. is proposed for Qingochorista conjunctiva. Mesochorista tongchuanensis sp. nov. and Agetopanorpa sinica sp. nov. represent the sparse record of Mesochorista and Agetopanorpa in China, respectively. The new discovery adds to our knowledge of their distribution and palaeodiversity during the Triassic. urn:Isid:zoobank.org:pub:DA7ACCFF-D76E-492D-BB1B-37AC1CA5D264

Automated summary

Two new permochoristid species, Mesochorista tongchuanensis sp. nov. and Agetopanorpa sinica sp. nov., were described and illustrated from the late Middle Triassic of Yanchang Formation in Shaanxi Province. This new discovery adds to our knowledge of the distribution and palaeodiversity of Mesochorista and Agetopanorpa during the Triassic.