Jan-Michael Ilger, Carsten Brauckmann (2011)
The smallest Neoptera (Baryshnyalidae fam. n.) from Hagen-Vorhalle (early Late Carboniferous: Namurian B; Germany).
ZooKeys130: 91.
DOI: 10.3897/zookeys.130.1422
Yongjun Li, Olivier Béthoux, Hong Pang, Dong Ren (2013)
Early Pennsylvanian Odonatoptera from the Xiaheyan locality (Ningxia, China): new material, taxa, and perspectives.
Fossil Record16: 117.
DOI: 10.1002/mmng.201300006