Authors: PLAYFORD G RIBECAI C TONGIORGI M

Citation: G. Playford et al., Ordovician Acritarch genera Peteinosphaeridium, Liliosphaeridium, and Cycloposphaeridium: morphology, taxonomy, biostratigraphy, and palaeogeographic significance, Bollettino della Societa paleontologica italiana , 34(1), 1995, pp. 3-54

Authors: MILLER MA PLAYFORD G LEHERISSE A

Citation: Ma. Miller et al., CLYPEOLUS, A NEW ACRITARCH GENUS FROM THE ORDOVICIAN AND SILURIAN, Review of palaeobotany and palynology, 98(1-2), 1997, pp. 95-103

Authors: VECOLI M PLAYFORD G

Citation: M. Vecoli et G. Playford, STRATIGRAPHICALLY SIGNIFICANT ACRITARCHS IN UPPERMOST CAMBRIAN TO BASAL ORDOVICIAN STRATA OF NORTHWESTERN ALGERIA, Grana, 36(1), 1997, pp. 17-28

Authors: DETTMANN ME PLAYFORD G

Citation: Me. Dettmann et G. Playford, NARCARVONIA, NEW NAME FOR CARNARVONIA COOKSON-AND-EISENACK 1982 (ACRITARCHA), Alcheringa, 18(1-2), 1994, pp. 84-84