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Specimen: Beautiful , museum quality big 3D preserved in siderite matrix specimen of coal age liana like fossil seed fern species leaf:
Mariopteris muricata( Schlotheim 1804 ) Zeiller 1886
Locality: Poland , GZW( All detailed and accurate data will be provided with the specimen )
Stratigraphy:Upper Carboniferous, Middle Pennsylvanian - Westphalian B
Age: ca. 310 Mya
Matrixdimensions:ca. 17,0 x 16,0 x 4,0 cm ( white square on pictures is 1,0 x 1,0 cm )
ca. 6,7" x 6,3" x 1,6" in (white square on pictures is 0,39 x 0,39 in )
Description:
Beautiful , museum quality very nicely 3D preserved in huge siderite matrix specimen of rarer coal age liana like habitate fossil seed fern species:
Mariopteris muricata ( Schlotheim 1804 ) Zeiller 1886
Mariopteridaceaeseed ferns (Pteridosperms) group contains two genera, Marioptris and Karinopteris.Mariopterisis a form genus for relatively small compact fronds which are bifurcated twice.
The pinnules are tongue-shaped to assymmetrically triangular in outline with a distinct basal lobe (at least the pinnules closest to the main axes). Although it is clear that most mariopterids are seed ferns, their natural affinity remains unclear. Karinopterids obviously had a climbing growth habit. This species, like other Karinopteroids and Mariopteroids, had a vine- to liana-like growth habit and climbed with specialized climber hooks.
Systematic:
Division:Tracheophyta (Sphenopsida)
Kingdom: ChlorobiotaPlantae
Family: Mariopteridaceae
Genus:Mariopteris (Zeiller 1878)
Species: Mariopteris muricata ( Schlotheim 1804 ) Zeiller 1886
