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Leaf impressions in grey tuff - Public Domain image, National Parks Gallery

Leaf impressions in grey tuff; John Good; 1966

The fossil featured here is a leaf of a Macginitiea wyominensis, which is a member of the sycamore family.

YELL_92942: The fossil featured here is a leaf of a Macginitiea wyominensis, which is a member of the sycamore family. This particular plant existed during the Eocene, between 50 and 34 million years ago.

Fossil fern leaves and stem impressions

YELL_11626: The fossil fern leaf and stem impressions featured here were discovered in northern Yellowstone National Park.

Fossilized second molar of a brontothere.

YELL_134174 (1) and (2): These pictures show the second molar of a brontothere that was discovered in Yellowstone National Park in the late 1990s. The tooth is the black-colored part, while the jaw bone is the More

Large “seed fern” impression - Public domain natural history illustration

YELL_94341: The fossil featured here is of a large “seed fern” impression discovered within Yellowstone National Park. These plants flourished during the Cretaceous.

Pieces of petrified wood - Public Domain image, National Parks Gallery

YELL_92933: Due to events and processes associated with the volcanic activity now preserved as the Absoraka Supergroup, there is a great concentration of petrified forests and fossilized leaves within Yellows More

Fossilized cones that were produced from trees during the Eocene Epoch.

YELL_94359: Rarely found within the park are fossilized cones that were produced from trees during the Eocene Epoch. Featured above is a well-preserved fossil cone of a Pinus macrolepis, collected in the Lamar More

Yellowstone National Park, Fossilized leaf

YELL_2323: This well preserved leaf is from an angiosperm. Fossilized leaves are very common within Yellowstone National Park.

Fossil forest on Speciman Ridge

Fossil forest on Speciman Ridge; Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description

Petrified redwood tree near Tower.

Petrified Tree; Matt Poyner; October 2015; Catalog #20578d; Original #_MG_3138

Petrified cone with nickel for size comparison.

Petrified cone with nickel for size comparison

Remnants of an eroding petrified tree.

Eroding petrified tree; J Schmidt; 1977

Yellowstone National Park, Leaf impressions

Leaf impressions Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description

Petrified tree near Tower - Public Domain image, National Parks Gallery

Petrified tree near Tower Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description

Imprint of sequoia twig. - Public Domain image, National Parks Gallery

Imprint of sequoia twig; JR Douglass; July 1969

Petrified tree stump, on Specimen Ridge, showing annual rings.

Petrified tree stump, on Specimen Ridge, showing annual rings; Bryan Harry; 1965

Petrified wood log with geode - Public Domain image, National Parks Gallery

Petrified wood log with geode Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description

Petrified log showing annual rings

Petrified log showing annual rings; John Good; August 1966

Petrified tree near Tower - Public Domain image, National Parks Gallery

Petrified tree near Tower Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description

Leaf and twig impressions in a rock

Petrified leaves & twigs Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description

Close up of leaf fossil in grey tuff

Close up of leaf fossil in grey tuff;

Broadleaf impressions in tuff. - Public Domain image, National Parks Gallery

Broadleaf impressions in tuff. Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description

Dark leaf impressions in grey tuff

Petrified tree near Tower (0b1baeb8-9d45-4596-a463-1a403d73bd44)

An upright petrified tree stands on a hill and is surrounded by an iron fence Petrified tree near Tower Keywords: paleontology; petrified redwood tree; tower; fossil plants; paleobotany; 20180918-dmr-2A1A2186; geology

Petrified tree near Tower (535dcc6d-b278-496f-9dfe-4d450abb969e)

An upright petrified tree stands on a hill and is surrounded by an iron fence Petrified tree near Tower Keywords: paleontology; petrified redwood tree; tower; fossil plants; paleobotany; 20180918-dmr-2A1A2189; geology

Petrified wood log with geode (ee0f475f-d37c-400b-b1a7-b2d5451a06b1)

A short petrified log with a crystallized hole in the side Petrified wood log with geode Keywords: geology; petrified wood; paleontology; Yellowstone national park; 20180520-jwf-9193; paleobotany

Portada del libro de Sternberg

Español: Portada del libro "Estudio de una Asociación Geobotánica de Flora Prehistórica" de von Sternberg, primer trabajo de Paleobotánica de la historia.

On the organization of the fossil plants of the coal-measures (1894) (20134406094)

Title: On the organization of the fossil plants of the coal-measures Identifier: cu31924005031830 (find matches) Year: 1894 (1890s) Authors: Williamson, William Crawford Subjects: Paleobotany; Coal Publisher: More

On the organization of the fossil plants of the coal-measures (1894) (20569051500)

Title: On the organization of the fossil plants of the coal-measures Identifier: cu31924005031830 (find matches) Year: 1894 (1890s) Authors: Williamson, William Crawford Subjects: Paleobotany; Coal Publisher: More

On the organization of the fossil plants of the coal-measures (1894) (20568989250)

Title: On the organization of the fossil plants of the coal-measures Identifier: cu31924005031830 (find matches) Year: 1894 (1890s) Authors: Williamson, William Crawford Subjects: Paleobotany; Coal Publisher: More

On the genus Lepidophloios (microform) - as illustrated by specimens from the coal formation of Nova Scotia and New Brunswick (1898) (20446644859)

Title: On the genus Lepidophloios (microform) : as illustrated by specimens from the coal formation of Nova Scotia and New Brunswick Identifier: cihm_41860 (find matches) Year: 1898 (1890s) Authors: Dawson, J. More

On the organization of the fossil plants of the coal-measures (1894) (20570311579)

Title: On the organization of the fossil plants of the coal-measures Identifier: cu31924005031830 (find matches) Year: 1894 (1890s) Authors: Williamson, William Crawford Subjects: Paleobotany; Coal Publisher: More

On the organization of the fossil plants of the coal-measures (1894) (20136064353)

Title: On the organization of the fossil plants of the coal-measures Identifier: cu31924005031830 (find matches) Year: 1894 (1890s) Authors: Williamson, William Crawford Subjects: Paleobotany; Coal Publisher: More

On the organization of the fossil plants of the coal-measures (1894) (20569017410)

Title: On the organization of the fossil plants of the coal-measures Identifier: cu31924005031830 (find matches) Year: 1894 (1890s) Authors: Williamson, William Crawford Subjects: Paleobotany; Coal Publisher: More

Clarno-Nut-Beds-Mural-Large

This artist's rendition of the Eocene Clarno Nut Beds includes the following taxa: Cercidiphyllum (tree) Ensete (banana plant) Sabalites (extinct fan palm) Patriofelis (cat-like creodont, the size More

Lehrbuch der Botanik (Taf. 38) (8071723349)

Schmeil, Lehrbuch der Botanik. Tafel 38. Wald zur Steinkohlenzeit.

South African Geology - Schwarz - 1912 Fig 42

Figure from South African Geology - Schwarz - 1912 (Page 155) Fig. 42. — Karroo Plants 1, Glossopteris. 2, Gangamopteris. 3, Ncegyerathiopaia (Cordaites). 4, Vertebraria, the underground stem or rhizome of Gl More

Abbildungen und Beschreibungen fossiler Pflanzen-Reste der palaeozoischen und mesozoischen Formationen (1903) (16500832747)

Title: Abbildungen und Beschreibungen fossiler Pflanzen-Reste der palaeozoischen und mesozoischen Formationen Identifier: AbbildungenundBVIPoto (find matches) Year: 1903 (1900s) Authors: Potonié, H. (Henry), More

Abbildungen und Beschreibungen fossiler Pflanzen-Reste der palaeozoischen und mesozoischen Formationen (1903) (16520548338)

Title: Abbildungen und Beschreibungen fossiler Pflanzen-Reste der palaeozoischen und mesozoischen Formationen Identifier: AbbildungenundBVIPoto (find matches) Year: 1903 (1900s) Authors: Potonié, H. (Henry), More

Abbildungen und Beschreibungen fossiler Pflanzen-Reste der palaeozoischen und mesozoischen Formationen (1903) (16522011719)

Title: Abbildungen und Beschreibungen fossiler Pflanzen-Reste der palaeozoischen und mesozoischen Formationen Identifier: AbbildungenundBVIPoto (find matches) Year: 1903 (1900s) Authors: Potonié, H. (Henry), More

Abbildungen und Beschreibungen fossiler Pflanzen-Reste der palaeozoischen und mesozoischen Formationen (1903) (16520716920)

Title: Abbildungen und Beschreibungen fossiler Pflanzen-Reste der palaeozoischen und mesozoischen Formationen Identifier: AbbildungenundBVIPoto (find matches) Year: 1903 (1900s) Authors: Potonié, H. (Henry), More

Abbildungen und Beschreibungen fossiler Pflanzen-Reste der palaeozoischen und mesozoischen Formationen (1903) (16682193146)

Title: Abbildungen und Beschreibungen fossiler Pflanzen-Reste der palaeozoischen und mesozoischen Formationen Identifier: AbbildungenundBVIPoto (find matches) Year: 1903 (1900s) Authors: Potonié, H. (Henry), More

Abbildungen und Beschreibungen fossiler Pflanzen-Reste der palaeozoischen und mesozoischen Formationen (1903) (16707022812)

Title: Abbildungen und Beschreibungen fossiler Pflanzen-Reste der palaeozoischen und mesozoischen Formationen Identifier: AbbildungenundBVIPoto (find matches) Year: 1903 (1900s) Authors: Potonié, H. (Henry), More

Abbildungen und Beschreibungen fossiler Pflanzen-Reste der palaeozoischen und mesozoischen Formationen (1903) (16706841191)

Title: Abbildungen und Beschreibungen fossiler Pflanzen-Reste der palaeozoischen und mesozoischen Formationen Identifier: AbbildungenundBVIPoto (find matches) Year: 1903 (1900s) Authors: Potonié, H. (Henry), More

Abbildungen und Beschreibungen fossiler Pflanzen-Reste der palaeozoischen und mesozoischen Formationen (1903) (16085779584)

Title: Abbildungen und Beschreibungen fossiler Pflanzen-Reste der palaeozoischen und mesozoischen Formationen Identifier: AbbildungenundBVIPoto (find matches) Year: 1903 (1900s) Authors: Potonié, H. (Henry), More

Abbildungen und Beschreibungen fossiler Pflanzen-Reste der palaeozoischen und mesozoischen Formationen (1903) (16706802451)

Title: Abbildungen und Beschreibungen fossiler Pflanzen-Reste der palaeozoischen und mesozoischen Formationen Identifier: AbbildungenundBVIPoto (find matches) Year: 1903 (1900s) Authors: Potonié, H. (Henry), More

Abbildungen und Beschreibungen fossiler Pflanzen-Reste der palaeozoischen und mesozoischen Formationen (1903) (16088177653)

Title: Abbildungen und Beschreibungen fossiler Pflanzen-Reste der palaeozoischen und mesozoischen Formationen Identifier: AbbildungenundBVIPoto (find matches) Year: 1903 (1900s) Authors: Potonié, H. (Henry), More

Additions to the flora of the Wilcox group (1922) (16152961983)

Title: Additions to the flora of the Wilcox group Identifier: additionstoflora00berr (find matches) Year: 1922 (1920s) Authors: Berry, Edward Wilber, b. 1875 Subjects: Paleobotany -- Eocene Publisher: Washing More

Additions to the flora of the Wilcox group (1922) (16771752711)

Title: Additions to the flora of the Wilcox group Identifier: additionstoflora00berr (find matches) Year: 1922 (1920s) Authors: Berry, Edward Wilber, b. 1875 Subjects: Paleobotany -- Eocene Publisher: Washing More

Additions to the flora of the Wilcox group (1922) (16771817832)

Title: Additions to the flora of the Wilcox group Identifier: additionstoflora00berr (find matches) Year: 1922 (1920s) Authors: Berry, Edward Wilber, b. 1875 Subjects: Paleobotany -- Eocene Publisher: Washing More

Additions to the flora of the Wilcox group (1922) (16747017506)

Title: Additions to the flora of the Wilcox group Identifier: additionstoflora00berr (find matches) Year: 1922 (1920s) Authors: Berry, Edward Wilber, b. 1875 Subjects: Paleobotany -- Eocene Publisher: Washing More

Additions to the flora of the Wilcox group (1922) (16771744321)

Title: Additions to the flora of the Wilcox group Identifier: additionstoflora00berr (find matches) Year: 1922 (1920s) Authors: Berry, Edward Wilber, b. 1875 Subjects: Paleobotany -- Eocene Publisher: Washing More

Additions to the flora of the Wilcox group (1922) (16771812822)

Title: Additions to the flora of the Wilcox group Identifier: additionstoflora00berr (find matches) Year: 1922 (1920s) Authors: Berry, Edward Wilber, b. 1875 Subjects: Paleobotany -- Eocene Publisher: Washing More

Additions to the flora of the Wilcox group (1922) (16152957973)

Title: Additions to the flora of the Wilcox group Identifier: additionstoflora00berr (find matches) Year: 1922 (1920s) Authors: Berry, Edward Wilber, b. 1875 Subjects: Paleobotany -- Eocene Publisher: Washing More

Additions to the flora of the Wilcox group (1922) (16152953923)

Title: Additions to the flora of the Wilcox group Identifier: additionstoflora00berr (find matches) Year: 1922 (1920s) Authors: Berry, Edward Wilber, b. 1875 Subjects: Paleobotany -- Eocene Publisher: Washing More

Age and area; a study in geographical distribution and origin of species (1922) (14798541433)

Identifier: ageareastudyinge00will_0 (find matches) Title: Age and area; a study in geographical distribution and origin of species Year: 1922 (1920s) Authors: Willis, J. C. (John Christopher), 1868-1958 Sub More

An annotated synopsis of paleozoic fossil spores - and the definition of generic groups (1944) (18424458801)

Title: An annotated synopsis of paleozoic fossil spores : and the definition of generic groups Identifier: annotatedsynopsi91scho (find matches) Year: 1944 (1940s) Authors: Schopf, James Morton, 1911-; Wilson More

An annotated synopsis of paleozoic fossil spores - and the definition of generic groups (1944) (18234948498)

Title: An annotated synopsis of paleozoic fossil spores : and the definition of generic groups Identifier: annotatedsynopsi91scho (find matches) Year: 1944 (1940s) Authors: Schopf, James Morton, 1911-; Wilson More

An annotated synopsis of paleozoic fossil spores - and the definition of generic groups (1944) (18424455141)

Title: An annotated synopsis of paleozoic fossil spores : and the definition of generic groups Identifier: annotatedsynopsi91scho (find matches) Year: 1944 (1940s) Authors: Schopf, James Morton, 1911-; Wilson More