1. W. H. Baily, 1859 .On the occurrence of detached plates of the shell of a new species of Chiton in the Carboniferous limestone at Lisbane, County of Limerick., Natural History Review and Quarterly Journal of Science, 6 :330 –334 .
2. W. H. Baily, 1860 .Observations on two new species of Chiton from the Upper Silurian “Wenlock Limestone” of Dudley., Annals and Magazine of Natural History, series 3, 6 :91 –98 .(translation of de Koninck, 1857).
3. J. R M. Bergenhayn, 1943 .Preliminary notes on the fossil polyplacophorans from Sweden., Geologiska Förenigen 1 Stockholm, Förhandlinger, 65 :297 –303 .
4. J. R M. Bergenhayn, 1945 .A new Carboniferous Lepidopleurus from Scotland., Geologiska Föreningen, Stockholm, Förhandlinger, 67 :389 –392 .
5. J. R. Bergenhayn, 1955 .Die Fossilen Schwedischen Loricaten nebst einer vorlaufigen Revision des Systems der ganzen Klasse Loricata., Lund Universitet, Årsskrift, n.f, 2 :1 –41 .