An edrioasteroid-dominated echinoderm assemblage from a lower Pennsylvanian marine conglomerate in Oklahoma

C. D. Sumrall, J. Sprinkle, and R. M. Bonem

2006

Article

Journal of Paleontology 80(2):229-244

Find it at:

http://dx.doi.org/10.1666/0022-3360(2006)080[0229:

Taxa discussed in this work:

• Neoisorophusella whitesidei
• Parapostibulla
• Parapostibulla graysoni
• Postibulla westergaardi
• Postibullinae
• Ulrichidiscus forbesi

Taxonomy:

• Postibullinae belongs to Agelacrinitidae - Sumrall et al. (2006)
• Parapostibulla belongs to Postibullinae - Sumrall et al. (2006)
• Parapostibulla graysoni belongs to Parapostibulla - Sumrall et al. (2006)
• Postibulla westergaardi belongs to Postibulla - Sumrall et al. (2006)
• Ulrichidiscus forbesi belongs to Ulrichidiscus - Sumrall et al. (2006)
• Neoisorophusella whitesidei belongs to Neoisorophusella - Sumrall et al. (2006)
• Neoisorophusella belongs to Agelacrinitidae - Sumrall et al. (2006)
• Postibulla belongs to Agelacrinitidae - Sumrall et al. (2006)
• Ulrichidiscus belongs to Agelacrinitidae - Sumrall et al. (2006)