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
Schopfites	Schopfites dimorphus	Iowa	Desmoinesian	Early Missourian
Schulzospora	Schulzospora elongata	Iowa	Morrowan
Schulzospora	Schulzospora rara	Iowa	Morrowan
Scolecopteris	Scolecopteris iowensis	Iowa	Pennsylvanian
Secarisporites	Secarisporites remotus	Iowa	Morrowan	Atokan
Simozonotriletes	Simozonotriletes intortus	Iowa	Morrowan	Atokan
Simozonotriletes	Simozonotriletes priscus	Iowa	Morrowan	Desmoinesian
Sinuspores	Sinuspores	Nd	Nd
Sinuspores	Sinuspores sinuatus	Iowa	Morrowan	Atokan
Spackmanites	Spackmanites	Iowa	Middle Pennsylvanian
Spackmanites	Spackmanites ellipticus	Iowa	Middle Pennsylvanian
Spackmanites	Spackmanites facierugosus	Iowa	Middle Pennsylvanian
Spackmanites	Spackmanites habibii sp. nov.	Iowa	Middle Pennsylvanian
Spackmanites	Spackmanites irregularis sp. nov.	Iowa	Desmoinesian
Spackmanites	Spackmanites rotundus	Iowa	Morrowan	Atokan
Spackmanites	Spackmanites sp.1 sp. nov.	Iowa	Morrowan
Spackmanites	Spackmanites sp.1 sp. nov.	Iowa	Morrowan