WebMr. Seward (10) in Sphenophyllum emarginatum being exceptional and possibly due to imperfect preservation. Simple, and repeatedly dichotomous, leaves occur, sometimes on the same stem. Professor ... such types as Sphenophyllum majus and 5. trichomatosuvi appear to have no sporangiophores. These may, on this theory, be accounted. … WebGenus: Sphenophyllum Species: S. coemansii – S. cuneifolium – S. emarginatum – S. longifolium – S. majus – S. myriophyllum – S. oblongifolium – S. tenuifolium – S. …

New sphenophyllaleans from the Pennsylvanian of the

Web1. jan 2014 · Trichomes and papillae on the adaxial surface of leaves are described from S. majus, S. speciosum, Sphenophyllum saarensis, Sphenophyllum trichomatosum Stur and … WebSphenophyllum. Fossil leaves and branches of the species Sphenophyllum miravallis, Upper Carboniferous. Collection of the Universiteit Utrecht . Sphenophyllum is a genus in the order Sphenophyllales. [1] michael a banks

Reconstruction of three morphotypes of leaves of Sphenophyllum ...

WebAs a result of these and other studies, in combination with intense collecting, the Mazon Creek floral assemblage has been recognized as highly diverse for its age ( Pfefferkorn, 1979) and has gained recognition as a knoservat-lagerstätte ( Feldman et al., 1993 ). The vast majority of specimens held at the Field Museum are preserved within ... WebFossil Data, Mineralienatlas Lexikon, Sphenophyllum majus Web†Sphenophyllum changxingense †Sphenophyllum coemansii †Sphenophyllum cuneifolium †Sphenophyllum emarginatum †Sphenophyllum gilmorei †Sphenophyllum latifolium †Sphenophyllum longifolium †Sphenophyllum majus †Sphenophyllum miravallis †Sphenophyllum multirame †Sphenophyllum myriophyllum †Sphenophyllum oblongifolium how to caulk glass windows