Functional Morphology, and Life Modes of Late Ordovician Edrioasteroids, Orchard Creek Shale, Southern Illinois

T. E. Guensberg

1988

Article

Journal of Paleontology 62(1):110-126

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Taxa discussed in this work:

• Euhydrodiskos
• Euhydrodiskos diktyotos
• Hystrichopsydrax
• Hystrichopsydrax sandersi
• Lebetodiscidae
• Savagella illinoisensis
• Savagella ornatus

Taxonomy:

• Euhydrodiskos diktyotos belongs to Euhydrodiskos - Guensberg (1988)
• Lebetodiscidae belongs to Isorophida - Guensberg (1988)
• Euhydrodiskos belongs to Lebetodiscidae - Guensberg (1988)
• Savagella illinoisensis belongs to Savagella - Guensberg (1988)
• Savagella belongs to Agelacrinitidae - Guensberg (1988)
• Savagella ornatus belongs to Savagella illinoisensis - Guensberg (1988)
• Hystrichopsydrax sandersi belongs to Hystrichopsydrax - Guensberg (1988)
• Hystrichopsydrax belongs to Agelacrinitidae - Guensberg (1988)