https://jm.copernicus.org/articles/6/20/1987/
JM - Durotrigia daveyi gen. et sp. nov., an Early Bajocian dinocyst with a variable precingular...
Abstract. Durotrigia daveyi gen. et sp. nov. is described from the Inferior Oolite (Early Bajocian) of Dorset, England. It is the earliest distinctly tabulated...