Walchia Contents Individual species Monuran trackways References External links Navigation menuChemosystematic and microstructural investigations--(including Walchia)Book preview-(1854)--W. hypnoides discussionGraphic of W. piniformis branchletsPhoto-High ResArticlePhoto-High Res--4 cm width Leaflet-(Order Voltziales)Article"The Footfalls and Bellyflops of Permian Insects"1132577319812032302521367842

VoltzialesConifer generaPrehistoric plant generaCarboniferous plantsPermian plantsFossil trackwaysCarboniferous life of EuropeCarboniferous life of North AmericaPermian life of EuropePermian life of North AmericaPaleozoic life of Nova ScotiaPaleozoic life of NunavutPaleozoic life of Prince Edward IslandPennsylvanian plantsPennsylvanian first appearancesPermian extinctions


conifercypress-likegenusPennsylvanianCarboniferousMyain-situNorthumberland StraitBruleNova Scotiatetrapodfossil trackwaystime periodNew MexicoMonuran trackwaysPermianmonurans
















Walchia
Temporal range: ~310–290 Ma

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Walchia piniformis.jpg

Walchia piniformis

Scientific classification
Kingdom:

Plantae

Division:

Pinophyta

Class:

Pinopsida

Order:

Voltziales

Genus:

Walchia


Species

  • Walchia garnettensis

  • Walchia hypnoides

  • Walchia piniformis

Walchia is a fossil conifer, cypress-like genus found in upper Pennsylvanian (Carboniferous) and lower Permian (about 310-290 Mya) rocks of Europe and North America. A forest of in-situ Walchia tree-stumps is located on the Northumberland Strait coast at Brule, Nova Scotia.


Besides the Walchia forest, fallen tree trunks, and leaflet impressions, the forest, fossil-rich layer contains numerous, 4-legged, tetrapod fossil trackways.





Walchia trunk




Contents





  • 1 Individual species


  • 2 Monuran trackways


  • 3 References


  • 4 External links




Individual species


W. hypnoides: from the schists of Lodeve; also copper slates of the Zechstein in Mansfeld.



Monuran trackways


At the same time period of 290 mya, another species was making fossil trackways, now preserved in New Mexico; Walchia leaflets are found in the same fossil layers. The Monuran trackways were made by Permian, wingless insects called monurans, (meaning "one-tail"); the insects' means of locomotion was hopping, then walking.


These 290 mya layers contain footprints of the large Dimetrodon, large/small raindrop impact marks, and also these fossil trackways of insects.



References





External links


General articles


  • Chemosystematic and microstructural investigations--(including Walchia)

  • Book preview-(1854)--W. hypnoides discussion

Walchia Fossil examples



  • Graphic of W. piniformis branchlets, from James D. Dana, "Manual of Geology" [1]


  • Photo-High Res; Article – www.news.ucdavis.edu--"A Bumpy Shift from Icehouse to Greenhouse", Fossil from Smithsonian. Walchia went from the 'Uplands' to the lower basins-(floodplain forest region of Brule, Nova Scotia).


  • Photo-High Res--4 cm width Leaflet-(Order Voltziales); Article – www.colby.edu-"Carboniferous Paleoecological Scenarios"

Walchia fossils, with Monuran trackways



  • "The Footfalls and Bellyflops of Permian Insects" – (from the Robledo Mountains of New Mexico)






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