Trilobita - Proetida - Bathyuridae
Alternative combinations: Jeffersonia crassimarginata, Peltabellia crassimarginata
Full reference: J. S. Cullison. 1944. The stratigraphy of some Lower Ordovician formations of the Ozark uplift. University of Missouri School of Mines and Metallurgy Technical Series Bulletin 15(2):1-112
Belongs to Strigigenalis according to J. D. Loch 2007
See also Boyce 1989 and Cullison 1944
Sister taxa: Strigigenalis brevicaudata, Strigigenalis caudata, Strigigenalis derbyi, Strigigenalis implexa, Strigigenalis insentis, Strigigenalis knighti, Strigigenalis stevensi
Type specimen: Its type locality is M. S. M. 106.11. On the Isabella-Hammond road, 1 mile north of Isabella, which is in a Cassinian carbonate limestone/chert in the Theodosia Formation of Missouri.
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Ordovician of Canada (6: Newfoundland, Newfoundland and Labrador collections), United States (17: Missouri, Oklahoma)
Total: 23 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.