Popov, E.V. & Johns, M.J. & Suntok, S. (2020)
A New Genus of Chimaerid Fish (Holocephali, Chimaeridae) from the Upper Oligocene Sooke Formation of British Columbia, Canada. Journal of Vertebrate Paleontology, 40(1), Article e1772275
DOI: 10.1080/02724634.2020.1772275

Johns, M.J. & Albanesi, G.L. & Voldman, G.G. (2014)
Freshwater Shark Teeth (Family Lonchidiidae) from the Middle—Upper Triassic (Ladinian—Carnian) Paramillo Formation in the Mendoza Precordillera, Argentina. Journal of Vertebrate Paleontology, 34(3), 512–523
DOI: 10.1080/02724634.2013.803976

Johns, M.J. & Barnes, C.R. & Narayan, Y.R. (2005)
Cenozoic and Cretaceous Ichthyoliths from the Tofino Basin and Western Vancouver Island, British Columbia, Canada. Palaeontologia Electronica, 8(2), 1–202

Johns, M.J. & Barnes, C.R. & Orchard, M.J. (1997)
Taxonomy and biostratigraphy of Middle and Late Triassic elasmobranch ichthyoliths from north Eastern British Columbia. Geological Survey of Canada, Bulletin, 502, 1–235

Johns, M.J. (1996)
Diagnostic pedicle features of Middle and Late Triassic elasmobranch scales from northeastern British Columbia, Canada. Micropaleontology, 42(4), 335–350