File:Seirocrinus subangularis (fossil Crinoid).jpg
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Summary
| Description |
Seirocrinus subangularis (Miller, 1821) - fossil crinoid from the Jurassic of Germany. (CM 34210, Carnegie Museum of Natural History, Pittsburgh, Pennsylvania, USA) Crinoids (sea lilies) are sessile, benthic, filter-feeding, stalked echinoderms that are relatively common in the marine fossil record. Crinoids are also a living group, but are relatively uncommon in modern oceans. A crinoid is essentially a starfish-on-a-stick. The stick, or stem, is composed of numerous stacked columnals, like small poker chips. Stems and individual columnals are the most commonly encountered crinoid fossils in the field. Classification: Animalia, Echinodermata, Crinoidea, Articulata, Isocrinida, Pentacrinitidae Stratigraphy: Holzmaden Lagerstätte, Posidonia Shale, Toarcian Stage, upper Lower Jurassic Locality: unrecorded/undisclosed site at or near the town of Holzmaden, southwestern Germany |
| Date | |
| Source | Seirocrinus subangularis (fossil crinoid) (Posidonia Shale, Lower Jurassic; Holzmaden area, Germany) 3 |
| Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/34966642214 (archive). It was reviewed on 19 August 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:00, 19 August 2018 | | 4,288 × 2,848 (6.07 MB) | wikimediacommons>Hogwarts Portal | Transferred from Flickr via #flickr2commons |
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