The Early Carboniferous brachiopod zones of eastern Australia are defined from reference sections in New South Wales. The zones include theTulcumbella tenuistriata, Spirifer sol, Schellwienellacf.burlingtonensis, Orthotetes australis, Delepinea aspinosa,andRhipidomella fortimusculaZones. Two contain subzones: thePustula gracilisSubzone is recognized in the upper part of theSchellwienellacf.burlingtonensisZone in the Rouchel district, New South Wales; and theInflatia elegansandGigantoproductus tenuirugosusSubzones are recognized in the lower and upper portions respectively of theDelepinea aspinosaZone.