Multiplacophora is a stem-group of chitons with a number of plates arranged in 7 rows along the body. They date to at least the Upper Cambrian, but two lower Cambrian fossils- Ocruranus and Trachyplax - may extend the range downwards.

Families and genera

  • Family Hercolepadidae Dzik, 1986 Genus Hercolepas Aurivillius, 1892 Genus Protobalanus Hall and Clarke, 1888
  • Family Strobilepidae Hoare and Mapes, 1995 Genus Aenigmatectus Hoare and Mapes, 1996 Genus Deltaplax Puchalski, Johnson, Kauffman and Eernisse, 2009 Genus Diadeloplax Hoare and Mapes, 1995 Genus Hannestheronia Vinther, Jell, Kampouris, Carney, Racicot & Briggs, 2012 Genus Polysacos Vendrasco, Wood and Runnegar, 2004 Genus Strobilepis Clarke in Hall and Clarke, 1888