Iocrinid Crinoids from the Ordovician of the Baltic Region, Estonia

W. I. Ausich, S. V. Rozhnov, and T. W. Kammer

2015

Article

Paleontological Journal 49(2):145-152

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Taxa discussed in this work:

• Myelodactylida
• Ristnacrinus oepiki
• Schaldichocrinus
• Schaldichocrinus ladogensis

Taxonomy:

• Schaldichocrinus ladogensis belongs to Schaldichocrinus - Rozhnov (1988)
• Disparida belongs to Crinoidea - Ausich et al. (2015)
• Myelodactylida belongs to Disparida - Ausich et al. (2015)
• Iocrinidae belongs to Myelodactylida - Ausich et al. (2015)
• Ristnacrinus belongs to Iocrinidae - Ausich et al. (2015)
• Ristnacrinus oepiki belongs to Ristnacrinus - Ausich et al. (2015)
• Schaldichocrinus belongs to Iocrinidae - Ausich et al. (2015)