Paul A. Selden, Alison N. Olcott, Matt R. Downen, Dong Ren, Chungkun Shih, Xiaodong Cheng. 2019.
The supposed giant spider Mongolarachne chaoyangensis, from the Cretaceous Yixian Formation of China, is a crayfish.
Palaeoentomology, 2019, 002 (5): 515-522.
https://doi.org/10.11646/palaeoentomology.2.5.15
http://zoobank.org/urn:lsid:zoobank.org:pub:FD4260C9-09DA-45D1-8B83-58A6A4E372C6
ISSN 2624-2826 (print edition) - October 2019
https://www.mapress.com/j/pe/ PALAEOENTOMOLOGY