3io 
Psyche 
stemate beetles evolving with the permocupedid-cupedid branch, and 
formed with this line, a “sibling-group” in the sense of Hennig. 
References 
Dorf, E. 
1967. Cretaceous Insects from Labrador. 1. Geologic Occurrence. 
Psyche, 74(4) : 267-269. 
Kukalova, J. 
1965. Permian Protelytroptera, Coleoptera and Protorthoptera (Insecta) 
of Moravia. Sbornik Geologickych ved. paleont. rada P, 6: 91-98. 
Ponomarenko, A. G. 
1963. Paleozoic Beetles Cupedidea of Europe (USSR). Paleontological 
Journal, 1: 70-85. (In Russian). 
1968. Archostematid Beetles from Jura of Karatau. In Jurassic In- 
sects of Karatau. Acad. Sci. USSR, Moscow, pp. "18-138. (In 
Russian) . 
1969. The Evolution of Archostematid Beetles. “Nauka,” Moscow. 
In press. (In Russian). 
Rohdendorf, B. B. 
1944. A New Family of Beetles From Permian Deposits of Ural. 
DAN, USSR, 44(6): 277-279. (In Russian). 
