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SPERMOPTERIS, A NEW GENUS OF PTERIDOSPERMS FROM THE UPPER PENNSYLVANIAN SERIES OF KANSAS
Author(s) -
Cridland Arthur A.,
Morris John E.
Publication year - 1960
Publication title -
american journal of botany
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.218
H-Index - 151
eISSN - 1537-2197
pISSN - 0002-9122
DOI - 10.1002/j.1537-2197.1960.tb07176.x
Subject(s) - pennsylvanian , biology , genus , paleozoic , paleontology , botany , structural basin
C ridland , A rthur A., and J ohn E. M orris . (Kansas U., Lawrence.) Spermopteris, a new genus of pteridosperms from the Upper Pennsylvanian Series of Kansas. Amer. Jour. Bot. 47(10) : 855–859. Illus. 1960.— Spermopteris gen. nov., based upon seed‐bearing specimens of the formgenus Taeniopteris, is described from the Lawrence Shale, Pennsylvanian System, of Kansas. The single species S . coriacea (Göppert) comb. nov. is known. Comparison is made with other fertile and supposedly fertile Paleozoic specimens of Taeniopteris and with specimens of T. spatulata from the Rhaetic of Tonkin.