Artiopoda - Agnostida - Agnostidae
Alternative combination: Geragnostus (Microagnostus) calviformis
Full reference: H. J. Harrington and A. F. Leanza. 1957. Ordovician trilobites of Argentina. Department of Geology, University of Kansas Special Publication 1:1-276
Belongs to Micragnostus according to M. F. Tortello and B Esteban 1999
See also Ghobadi Pour et al. 2011, Harrington and Leanza 1957, Tortello and Esteban 2014, Tortello and Esteban 2019, Wagner 2020 and Waisfeld and Vaccari 2003
Sister taxa: Geragnostus (Micragnostus) acrolebes, Geragnostus (Micragnostus) bilobus, Geragnostus (Micragnostus) chengcunensis, Micragnostus brevispinus, Micragnostus calvus, Micragnostus chiushuensis, Micragnostus curvata, Micragnostus elongatus, Micragnostus insolitus, Micragnostus mutabilis, Micragnostus orientalis, Micragnostus pehuenchensis, Micragnostus quadratiformis, Micragnostus serus, Micragnostus strictus, Micragnostus vilonii
Ecology: slow-moving epifaunal detritivore
Distribution:
• Cambrian of Argentina (3 collections)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.