Author:

Wicander,R.;Playford,G.;Robertson,E.B.

Year:

1999

Title:

Stratigraphy and paleogeographic significance of an Upper Ordovician acritarch flora from the Maquoketa Shale, Northeastern Missouri, USA

Reference:

Wicander,R. et al. (1999) Stratigraphy and paleogeographic significance of an Upper Ordovician acritarch flora from the Maquoketa Shale, Northeastern Missouri, USA Journal of Paleontology, Memoir # 52 P. 1- 38

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