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Holectypus cragini Clark and Twitchell 1915

PaleoDB taxon number: 391829

Full reference: W. B. Clark and M. W. Twitchell. 1915. The Mesozoic and Cenozoic Echinodermata of the United States. United States Geological Survey Bulletin 54:1-341

Belongs to Holectypus according to W. B. Clark and M. W. Twitchell 1915

Sister taxa: Holectypus montalvensis, Holectypus pealei, Holectypus sarthacensis