File:Streptaster vorticellatus fossil edrioasteroid (Bellevue Formation, Upper Ordovician; Maysville West roadcut, Mason County, Kentucky, USA) (8471301926).jpg
![File:Streptaster vorticellatus fossil edrioasteroid (Bellevue Formation, Upper Ordovician; Maysville West roadcut, Mason County, Kentucky, USA) (8471301926).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/1/1a/Streptaster_vorticellatus_fossil_edrioasteroid_%28Bellevue_Formation%2C_Upper_Ordovician%3B_Maysville_West_roadcut%2C_Mason_County%2C_Kentucky%2C_USA%29_%288471301926%29.jpg/800px-Streptaster_vorticellatus_fossil_edrioasteroid_%28Bellevue_Formation%2C_Upper_Ordovician%3B_Maysville_West_roadcut%2C_Mason_County%2C_Kentucky%2C_USA%29_%288471301926%29.jpg?20210828224646)
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[edit]DescriptionStreptaster vorticellatus fossil edrioasteroid (Bellevue Formation, Upper Ordovician; Maysville West roadcut, Mason County, Kentucky, USA) (8471301926).jpg |
Streptaster vorticellatus (Hall, 1866) - fossil edrioasteroid from the Ordovician of Kentucky, USA. (13 mm across) Edrioasteroids are rare, beautiful, and popular fossils to collectors and professional paleontologists. They show their affinities with other echinoderms in having obvious pentaradial symmetry (structures repeat in a circle 5 times). Shown above is a perfect Streptaster vorticellatus edrioasteroid from the Cincinnatian outcrop belt of northern Kentucky, USA. It is encrusting a hardground - the same hardground horizon that has produced abundant specimens of the hyper-rare edrioasteroid species Carneyella ulrichi. Classification: Animalia, Echinodermata, Echinozoa, Edrioasteroidea, Hemicystitidae Stratigraphy: ~6 to 7 meters above the base of the Bellevue Formation (a.k.a. part of the “Grant Lake Formation”), Maysvillian Stage, middle Cincinnatian Series, Upper Ordovician Locality: southern end of larger Maysville West roadcut (western side), northern Mason County, Kentucky, USA |
Date | |
Source | Streptaster vorticellatus fossil edrioasteroid (Bellevue Formation, Upper Ordovician; Maysville West roadcut, Mason County, Kentucky, USA) |
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@N05/8471301926. It was reviewed on 28 August 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
28 August 2021
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current | 22:46, 28 August 2021 | ![]() | 3,008 × 2,000 (2.44 MB) | Orizan (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Orientation | Normal |
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Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CS2 Macintosh |
File change date and time | 15:37, 13 February 2007 |
Color space | Uncalibrated |
Image width | 3,008 px |
Image height | 2,000 px |
Date and time of digitizing | 06:39, 13 February 2007 |
Date metadata was last modified | 10:37, 13 February 2007 |