REVIEW OF THE CAMBRIAN ACROTRETID BRACHIOPOD NEOTRETA

The Cambrian acrotretid brachiopod Neotreta Sobolev 1976 is reviewed a nd re-illustrated, based on new material of the type species, N. tumid a Sobolev 1976, from the lower Upper Cambrian of Siberia; Neotreta orb iculata Koneva 1990, originally described from the Middle Cambrian of Kazakhstan, has been obtained from roughly coeval beds in Shropshire, England; Neotreta pusilla Koneva 1986 was unavailable for study. Two n ew species, N. davidi sad N. karogailensis, ate described from Queensl and, Australia, and Kirgizia, Central Asia respectively.