TY - JOUR A1 - Bailey, D. T1 - Durotrigia daveyi gen. et sp. nov., an Early Bajocian dinocyst with a variable precingular archaeopyle JO - J. Micropalaeontol. J1 - JM VL - 6 IS - 2 SP - 20 EP - Y1 - 1987/11/01 PB - GSL Publishing SN - 2041-4978 UR - https://jm.copernicus.org/articles/6/20/1987/ L1 - https://jm.copernicus.org/articles/6/20/1987/jm-6-20-1987.pdf DO - 10.1144/jm.6.2.89 ER -