†Uncinisphaera obsoleta le Gall, le Herisse & Deunff 1985
le Gall, le Herisse & Deunff 1985. New palynological data from the Gramscatho Group at the Lizard Front (Cornwall): palaeogeographical and geodynamical implications. Proceedings of the Geologists' Association, 96(3) 1985: 237-253