Multiplacophora
Extinct order of molluscs
title: "Multiplacophora" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["devonian-animals", "late-devonian-animals", "prehistoric-chitons", "prehistoric-mollusc-orders"] description: "Extinct order of molluscs" topic_path: "general/devonian-animals" source: "https://en.wikipedia.org/wiki/Multiplacophora" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0
::summary Extinct order of molluscs ::
| fossil_range = | taxon = Multiplacophora | authority = Hoare and Mapes, 1995 | subdivision_ranks = Families | subdivision =
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
References
References
- (1995). "Relationships of the Devonian Strobilepis and related Pennsylvanian problematica". Acta Palaeontologica Polonica.
- (2004). "Articulated Palaeozoic fossil with 17 plates greatly expands disparity of early chitons". Nature.
- (2009). "Trachyplax arctica, a New Multiplated Problematic Fossil from the Lower Cambrian of North Greenland". Acta Palaeontologica Polonica.
- (2012). "The origin of multiplacophorans – convergent evolution in Aculiferan molluscs". [[Palaeontology (journal).
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