Multiplacophora

Multiplacophora is a stem-group of chitons with a number of plates arranged in 7 rows along the body.^[2] They date to at least the Upper Cambrian, but two lower Cambrian fossils- Ocruranus and Trachyplax - may extend the range downwards.^[3]

Multiplacophora Temporal range: Lower Cambrian–Permian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Polyplacophora
Order:	†Multiplacophora Hoare and Mapes, 1995[1]
Families
Hercolepadidae Strobilepidae

Families and genera

• Family Hercolepadidae Dzik, 1986
  • Genus Hercolepas Aurivillius, 1892
  • Genus Protobalanus Hall and Clarke, 1888
• Family Strobilepidae Hoare and Mapes, 1995^[1]
  • Genus Aenigmatectus Hoare and Mapes, 1996
  • Genus Deltaplax Puchalski, Johnson, Kauffman and Eernisse, 2009
  • Genus Diadeloplax Hoare and Mapes, 1995^[1]
  • Genus Hannestheronia Vinther, Jell, Kampouris, Carney, Racicot & Briggs, 2012^[4]
  • Genus Polysacos Vendrasco, Wood and Runnegar, 2004^[2]
  • Genus Strobilepis Clarke in Hall and Clarke, 1888