The type-species of the genus Girvanella (calcareous algae)

1 1 Tue, 01/01/1957 - 12:00 November 22 28

WOOD, A. 1957. The type-species of the genus Girvanella (calcareous algae). Palaeontology, 1, 1, 22–28.

Alan Wood Topotype Ordovician material containing Girvanella problematica Nicholson and Etheridge has been studied, several species being found to occur together. The genus is redefined and the limits of variation of the type species indicated. The Palaeontological Association (Free Access)