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Psilophyton is a genus of extinct vascular plants. Described in 1859, it was one of the first fossil plants to be found which was of Devonian age (about 420 to 360 million years ago ). Specimens have been found in northern Maine , USA; Gaspé Bay , Quebec and New Brunswick , Canada; the Czech Republic ; and Yunnan , China.
The class was created in 1917 by Kidston and Lang for fossils found in the Rhynie Chert Bed. [4] Three genera were initially included, Rhynia, Horneophyton and Psilophyton. All lacked leaves and true roots, consisting only of branched stems; however they were considered to contain vascular tissue. [1] Additional fossil genera were added later.
Fossil of the Devonian-Triassic arthropod trackway ichnogenus Cruziana †Cruziana †Cyclolobus †Cyclonema †Cymbidium †Daguinaspis †Dicoelosia †Didymograptus †Dimeropygiella †Diplichnites †Encrinurus †Endoceras – tentative report †Euomphalus †Fallotaspis †Favosites †Fenestella †Gogia †Halysites †Helicoplacus
The fossils include unique species of fish that had never been found in the area before. The discovery is reshaping views on California geology with the possibility of extinct islands.
Dinosaurs and Other Mesozoic Reptiles of California. Berkeley: University of California Press. 318 pp. ISBN 9780520233157. Mayor, Adrienne. Fossil Legends of the First Americans. Princeton University Press. 2005. ISBN 0-691-11345-9. Murray, Marian (1974). Hunting for Fossils: A Guide to Finding and Collecting Fossils in All 50 States. Collier ...
Trimerophytopsida (or Trimeropsida) is a class of early vascular plants from the Devonian, informally called trimerophytes.It contains genera such as Psilophyton.This group is probably paraphyletic, and is believed to be the ancestral group from which both the ferns and seed plants evolved.
This list of the Paleozoic life of California contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of California and are between 538.8 and 252.17 million years of age.
Pages in category "Fossils of California" The following 19 pages are in this category, out of 19 total. This list may not reflect recent changes. A. Absalomichthys;