Gabriele Kühl, Derek E. G. Briggs, Jes Rust: A Great-Appendage Arthropod with a Radial Mouth from the Lower Devonian Hunsrück Slate, Germany. In: Science. Nr.323, 2009, ISSN0036-8075, S.771–773, doi:10.1126/science.1166586.
Alison C.Daley, Graham E. Budd, Jean-Bernard Caron, Gregory D. Edgecombe, Desmond Collins: The Burgess Shale Anomalocaridid Hurdia and its Significance for Early Euarthropod Evolution. In: Science. Nr.323, 2009, S.1597–1600, doi:10.1126/science.1169514.
Nicholas J. Butterfield: Leanchoilia guts and the interpretation of three-dimensional structures in Burgess Shale-type fossils. In: Paleobiology. Nr.28, 2002, S.155, doi:10.1666/0094-8373(2002)028<0155:LGATIO>2.0.CO;2 (Abstrakt [abgerufen am 15. April 2018]).
Nicholas J. Butterfield: Secular distribution of Burgess-Shale-type preservation. In: Lethaia. 1. Auflage. Nr.28, 1995, doi:10.1111/j.1502-3931.1995.tb01587.x.
geoscienceworld.org
paleobiol.geoscienceworld.org
Nicholas J. Butterfield: Leanchoilia guts and the interpretation of three-dimensional structures in Burgess Shale-type fossils. In: Paleobiology. Nr.28, 2002, S.155, doi:10.1666/0094-8373(2002)028<0155:LGATIO>2.0.CO;2 (Abstrakt [abgerufen am 15. April 2018]).
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Die englische Wikipedia hat einen Artikel zu Peytoia
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Gabriele Kühl, Derek E. G. Briggs, Jes Rust: A Great-Appendage Arthropod with a Radial Mouth from the Lower Devonian Hunsrück Slate, Germany. In: Science. Nr.323, 2009, ISSN0036-8075, S.771–773, doi:10.1126/science.1166586.