Notes on the Devonian crinoid fauna of Cedar Valley Formation of Iowa

L. R. Laudon

1936

Article

Journal of Paleontology 10:60-66

Find it at:

Taxa discussed in this work:

• Batocrinidae
• Botryocrinus thomasi
• Calceocrinidae
• Decadocrinus crassidactylus
• Decadocrinus pachydactylus
• Decadocrinus spinulifer
• Eutaxocrinus gracilis
• Halysiocrinus barrisi
• Halysiocrinus elephantinus
• Megistocrinus pernodosus
• Poteriocrinidae

Taxonomy:

• Eutaxocrinus gracilis belongs to Eutaxocrinus - Meek and Worthen (1865)
• Megistocrinus pernodosus belongs to Megistocrinus - Thomas (1929)
• Batocrinidae belongs to Camerata - Laudon (1936)
• Botryocrinus belongs to Botryocrinidae - Laudon (1936)
• Botryocrinus thomasi belongs to Botryocrinus - Laudon (1936)
• Poteriocrinidae belongs to Inadunata - Laudon (1936)
• Decadocrinus belongs to Poteriocrinidae - Laudon (1936)
• Decadocrinus crassidactylus belongs to Decadocrinus - Laudon (1936)
• Decadocrinus pachydactylus belongs to Decadocrinus - Laudon (1936)
• Decadocrinus spinulifer belongs to Decadocrinus - Laudon (1936)
• Calceocrinidae belongs to Inadunata - Laudon (1936)
• Halysiocrinus belongs to Calceocrinidae - Laudon (1936)
• Halysiocrinus barrisi belongs to Halysiocrinus - Laudon (1936)
• Halysiocrinus elephantinus belongs to Halysiocrinus - Laudon (1936)