Article: The type-species of the genus Girvanella (calcareous algae)
Publication: Palaeontology
Volume:
1
Part:
1
Publication Date:
November
1957
Page(s):
22
–
28
Author(s):
Alan Wood
Abstract
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.
Palaeontology - Volume 1 Part 1 Pages 22-28
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