File:Sthenarocalymene celebra - Arthropoda, Trilobita, Polymerida, Calymenidae - Silurian - Ohio, USA.jpg
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Myns an ragwel ma: 800 × 532 piksel. Klerderyow erel: 320 × 213 piksel | 640 × 426 piksel | 1,024 × 681 piksel | 1,280 × 851 piksel | 3,008 × 2,000 piksel.
Restren wreydhek (3,008 × 2,000 piksel, myns an restren: 3.31 MB, eghen MIME: image/jpeg)
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Berrskrif[golegi]
| Deskrifans |
Many fossils of shelly organisms (e.g., bivalves, gastropods, brachiopods, cephalopods) have had the original hard parts dissolved away. In such cases, the fossil itself is an impression of the outside of the shell (external mold) or an impression of the inside of the shell (internal mold). Sthenarocalymene celebra (Arthropoda, Trilobita, Polymerida, Calymenidae) - this fossil calymenid trilobite specimen is a nice example of dissolution. The trilobite is preserved as an internal mold in Silurian dolostone from southwestern Ohio, USA. Most trilobites found in dolostones are similarly preserved. This trilobite is Sthenarocalymene celebra (Raymond, 1916). Over the years, trilobitologists haven’t agreed on the proper generic assignment for celebra. The species has been variously assigned to the genera Calymene, Gravicalymene, Flexicalymene, and Sthenarocalymene.Stratigraphy: Cedarville Dolomite, upper Lockport Group, upper Niagaran Series (= upper Wenlockian Series), upper Middle Silurian |
| Dedhyans | |
| Pennfenten | Sthenarocalymene celebra, Arthropoda, Trilobita, Polymerida, Calymenidae - Silurian, Ohio, USA |
| Awtour | James St. John |
Leshyans[golegi]
This file is licensed under the Creative Commons Attribution 2.0 Generic license.
- Yma'n gwir dhywgh:
- a ranna – a dhasskrifa, lesranna ha treuskorra an ober
- a gemyska – a aswiwa an ober
- Yn-dann an ragselyow a syw:
- askrifans – Res yw dhywgh ri askrifans gwiw, provia kevren dhe'n lecyans, ha meneges mar peu chanjyow gwrys. Hwi a yll gul hemma yn fordh resonus a vynnowgh, mes ny yllir y wul yn fordh a broffo synser an lecyans dh'agas skoodhya po agas devnydh.
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This image was originally posted to Flickr by jsj1771 at https://www.flickr.com/photos/47445767@N05/8464287881. It was reviewed on 27 Me 2013 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
Istori an restren
Klyckyewgh war dhedhyans/eur rag gweles an folen dell o an termyn na.
| Dedhyans/Eur | Skeusennik | Mynsow | Devnydhyer | Kampol | |
|---|---|---|---|---|---|
| a-lemmyn | 00:27, 27 Me 2013 | | 3,008 × 2,000 (3.31 MB) | Jacopo Werther (keskows | kevrohow) | {{Information |Description=Many fossils of shelly organisms (e.g., bivalves, gastropods, brachiopods, cephalopods) have had the original hard parts dissolved away. In such cases, the fossil itself is an impression of the outside of the shell (external... |
Ny yllowgh gorskrifa an restren ma.
Devnydh an restren
Nyns eus folen vyth owth usya an restren ma.
Devnydh ollvysel an restren
Yma an wikis erel a syw ow tevnydhya an restren ma:
- Devnydh war en.wikipedia.org
- Devnydh war kw.wikipedia.org
- Devnydh war pt.wikipedia.org
