Sprinkle, James Echinoderm faunas from the Bromide formation (Middle Ordovician) of Oklahoma - Kansas University of Kansas, Paleontological Institute 1982 - 369 p. láms. - Paleontological Contributions. Monograph n.1 . Subjects--Topical Terms: ECHINODERMATAORDOVICICOPALEONTOLOGÍA Subjects--Geographic Terms: ESTADOS UNIDOS Universal Decimal Class. No.: 563.9(113.3)/S77