Psilophytites is a form genus of extinct plants; it was created by Høeg for spiny stems (axes) which cannot be assigned to a more precise genus or species, usually because spore-forming organs or sporangia are not present.Fossils which have been placed in this genus have been found, among other locations, in Wales in formations of Early Silurian age (Přídolí, around 427 to 419 million years ago); in the Wutubulake Formation in Xinjiang, China, of the same age; in the Paraná basin, Brazil, from the Early Devonian (Lochkovian, around 419 to 411 million years ago); and in Belgium from an outcrop of Early Devonian age (Lochkovian–Pragian, around 419 to 408 million years ago).Gerrienne named a new species, P.
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| - Psilophytites is a form genus of extinct plants; it was created by Høeg for spiny stems (axes) which cannot be assigned to a more precise genus or species, usually because spore-forming organs or sporangia are not present.Fossils which have been placed in this genus have been found, among other locations, in Wales in formations of Early Silurian age (Přídolí, around 427 to 419 million years ago); in the Wutubulake Formation in Xinjiang, China, of the same age; in the Paraná basin, Brazil, from the Early Devonian (Lochkovian, around 419 to 411 million years ago); and in Belgium from an outcrop of Early Devonian age (Lochkovian–Pragian, around 419 to 408 million years ago).Gerrienne named a new species, P.
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