Template:Kühl, Briggs & Rust, 2009
- Kühl, G., Briggs, D.E.G. & Rust, J. 2009. A great-appendage arthropod with a radial mouth from the Lower Devonian Hunsrück Slate, Germany. Science 323(5915): 771–773. Bibcode:2009Sci...323..771K. DOI: 10.1126/science.1166586. PMID: 19197061. S2CID 47555807.