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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
Pilosisporites Pilosisporites bellus Congo Early Permian
Acanthotriletes Acanthotriletes bellus Congo Early Permian
Pilosisporites Pilosisporites golenvauxii Congo Late Artinskian
Acanthotriletes Acanthotriletes golenvauxii Congo Late Artinskian
Reticulitriletes Reticulitriletes membranireticulatus Denmark Early Carboniferous
Dictyotriletes Dictyotriletes membranireticulatus Denmark Early Carboniferous
Perotrilites Perotrilites caperatus England Early Aptian
Diaphanospora Diaphanospora higgsii sp. nov. England Early Aptian
Pilosisporites Pilosisporites splendidus England(Derbyshire) Namurian A
Acanthotriletes Acanthotriletes splendidus England(Derbyshire) Namurian A
Neoraistrickia Neoraistrickia baculata England(Derbyshire) Namurian A
Acanthotriletes Acanthotriletes baculatus England(Derbyshire) Namurian A
Deltoidospora Deltoidospora pyramidata England(Gloucestershire) Late Visean
Leiotriletes Leiotriletes pyramidatus England(Gloucestershire) Late Visean
Apiculatasporites Apiculatasporites variocorneus England(Gloucestershire) Early Westphalian A
Apiculatisporis Apiculatisporis variocorneus England(Gloucestershire) Early Westphalian A
Deltoidospora Deltoidospora sullivanii sp. nov. England(Gloucestershire) Late Visean