Alternative combination: Promylacris testudo
Full reference: S. H. Scudder. 1890. New types of cockroaches from the Carboniferous deposits of the United States. Memoirs of the Boston Society of Natural History 4(9):401-415
Sister taxon: Metachorus striolatus
Type specimen: USNM 38158, an exoskeleton. Its type locality is Mazon Creek (Columbia University collection), which is in a Westphalian D deltaic mudstone in the Carbondale Formation of Illinois.
• Carboniferous of United States (2: Illinois collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.