Ravn,R.L.

Author:
Ravn,R.L.

Year:
1986

Title:
Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa

Reference:

Ravn,R.L. (1986) Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa Iowa Geological Survey,Technical Paper # 7 P. 1- 244

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Genus	Species	Country(Region)	From	To
Leiotriletes	Leiotriletes atshanensis	Iraq	Late Permian
Leiotriletes	Leiotriletes badamensis	Nd	Nd
Leiotriletes	Leiotriletes blairatholensis	Australia(Queensland)	Artinskian
Leiotriletes	Leiotriletes convexus	France(Vosges)	Westphalian A	Autunian
Leiotriletes	Leiotriletes glaber	Iowa	Morrowan	Desmoinesian
Leiotriletes	Leiotriletes gracilis	Iowa	Middle Pennsylvanian
Leiotriletes	Leiotriletes guennelii	Iowa	Middle Pennsylvanian
Leiotriletes	Leiotriletes labrum	Iowa	Morrowan	Desmoinesian
Leiotriletes	Leiotriletes laevis	Iowa	Middle Pennsylvanian
Leiotriletes	Leiotriletes magnificus	Iowa	Middle Pennsylvanian
Leiotriletes	Leiotriletes parvus	Iowa	Middle Pennsylvanian
Leiotriletes	Leiotriletes plicatus	Congo	Early Permian	Middle Permian
Leiotriletes	Leiotriletes plicatus	England(Gloucestershire)	Late Visean
Leiotriletes	Leiotriletes pseudolevis	Illinois	Desmoinesian
Leiotriletes	Leiotriletes pyramidatus	England(Gloucestershire)	Late Visean
Leiotriletes	Leiotriletes sphaerotriangulus	Iowa	Middle Pennsylvanian
Leiotriletes	Leiotriletes sporadicus	Iowa	Middle Pennsylvanian