Middle Ordovician crinoids from southwestern Virginia and eastern Tennessee,

Crinoids from the Girardeau Limestone (Ordovician), 1973, Palaeontographica Americana, 7 (46) : pages 263-499, 45 figures, 17 tables, and 21 plates.

Crinoids from the Girardeau limestone (Ordovician) (Palaeontographica Americana No. 46)

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