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