Author:
Williams,G.L.;Lentin,J.K.;Fensome,R.A.
Year:
1998
Title:
The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition.
Reference:
Williams,G.L. et al. (1998) The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. American Association of Stratigraphic Palynologists, Contributions Series # 34 P. 1- 817
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Genus Species Country(Region) From To
Pirumella Pirumella bassriverensis Nd Nd
Pirumella Pirumella bilamellata Nd Nd
Pirumella Pirumella carteri Nd Nd
Pirumella Pirumella cookii Nd Nd
Pirumella Pirumella cumulosa Nd Late Cenomanian
Pirumella Pirumella cylindrica Nd Nd
Pirumella Pirumella echinosa Nd Nd
Pirumella Pirumella edgarii Nd Nd
Pirumella Pirumella edithvincentiae Nd Nd
Pirumella Pirumella fusiformis Nd Nd
Pirumella Pirumella heirtzleri Nd Nd
Pirumella Pirumella hystrichosphaeroidea Nd Late Cenomanian
Pirumella Pirumella irregularis Nd Recent
Pirumella Pirumella johnstonei Nd Nd
Pirumella Pirumella krasheninnikovii Nd Nd
Pirumella Pirumella labyrinthica Nd Middle Cenomanian
Pirumella Pirumella laquaeta Nd Early Aptian