My specimens are genuine and will be delivered with a “Certificate of authenticity, age and origin” and scientific papers copy allowing bought plant identification! I will send You a combine invoice. Rare & oldest know, pre jurassic ginkgo fossil. (Cambier & Renier 1910) Boureau 1967 – almost complete ginkgo ancestor leaf with it’s top part preserved. Poland, GZW – Upper Silesia Coal Basin, Bytom – Szombierki. KWK ” Szombierki ” in Bytom – closed mine. 22,0 x 15,5 x 2,0 cm (white square on pictures is 1,0 x 1,0 cm), fossil leaf is 16 cm long! Rare, oldest know ginkgo. Psygmophyllum delvali, Ginkgophyllum delvali. Fossils of this foliage type are generally very rare. Leaves are up to 40 cm long, with a narrow leaf base that is somewhat arcuate. (Under leaf is visible shape of the cone of this plant). Lateral margins are slightly concave, and the distal margin is convex and may be irregularly lobet or fringed. Leaves assigned to this morphogenus are relatively large and elongate flabelliform , that is they have. The form of fan. One of the most widespread species is. From the Westphalian (Middle Pennsylvanian) of central Europe. The venation is delicate and composed of numerous parallel veins that fork several times in their course to the margin. Belongs to an enigmatic group of Devonian to Permian foliage types that, in contrast to most other late Paleozoic foliage, were not pinnately organized. Some scholars accommodate Ginkgophytopsis and similar leaf morphotypes from Europe, Asia, and North America in the artificial order Palaeophyllales, or they use the informal term palaeophyllalean forms for these leaves. The Palaeophyllales represent one of the great mysteries in paleobotany, because, to date, next nothing is know about the plants that produced the leaves. They are almost consistently found isolated. Translates to something along the lines of ” plant that looks like ginkgo” but this does not mean that these leaves were produced by early ginkgophytes. Some have suggested that. Leaves represent fronds of rare herbaceous fern or aphlebia of a tree ferns or cordaites; still others have suggested that some of them might actually represent foliage of an early ginkgophyte. Offered Specimen is preserved in stable shale from the “Orzeskie” Beds (Middle Pennsylvanian – Westphalian B) from the Polish region of the GZW – Upper Silesia Coal Basin, Coalmine: KWK Szombierki in Bytom famous from. Specimen was found on coal mine KWK “Szombierki” heap. This coal mine is unfortunately closed since 1990, so the. Are every year rarer. Genus: Ginkgophytopsis Boureau, 1967. (Cambier & Renier 1910) Boureau 1967. The item “Very rare oldest know Ginkgo fossil plant museum quality almost complete leaf” is in sale since Tuesday, August 18, 2020. This item is in the category “Collectables\Rocks, Fossils & Minerals\Fossils\Plants”. The seller is “paleobotanica_com” and is located in SOSNOWIEC. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.

• Pre dinosaur fossil plant: pre jurassic ginkgo
• Pre dinosaur fossil: fossil plant
• Modified Item: No
• Type: Fossils
• Sub-Type: Plants