Trilobita - Phacopida - Pterygometopidae
Alternative combination: Dalmanites katharina
Full reference: J. H. Bradley. 1930. The fauna of the Kimmswick limestone of Missouri and Illinois. Contributions from the Walker Museum, University of Chicago 2(6):219-290
Belongs to Achatella according to D. M. Delo 1940
See also Bradley 1930
Sister taxa: Achatella (Achatella), Achatella achates, Achatella kuckersianus, Achatella schmidti, Achatella truncatocaudata, Achatella (Vironiaspis) kegelensis
Type specimen: Walker Museum 20685
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Ordovician of United States (2: Illinois, Missouri 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.