File:Anaspida.png
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Summary
| Description |
English: Anaspids are characterized by a large, tri-radiate spine (red) posteriorly to the series of branchial openings. Typical anaspids are restricted to the Silurian but some doubtful forms occur in the Late Devonian. It is assumed that the most primitive anaspids, such as Pharyngolepis (top), possessed a long, ribon-shaped, ventrolateral fin-fold (green). More advanced forms, such as Rhyncholepis (bottom), possessed a shorter paired fin-fold (green) and enlarged, spine-shaped, median dorsal scutes. |
| Date | |
| Source | http://tolweb.org/Anaspida/14837 |
| Author | Philippe Janvier |
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Original upload log
| Date/Time | Dimensions | User | Comment |
|---|---|---|---|
| 19 January 2009, 16:28:06 | 563 × 287 (49575 bytes) | Haplochromis (talk · contribs) | {{Information |Description={{en|1=Anaspids are characterized by a large, tri-radiate spine (red) posteriorly to the series of branchial openings. Typical anaspids are restricted to the Silurian but some doubtful forms occur in the Late Devonian. It is ass |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:03, 14 August 2014 | | 563 × 287 (53 KB) | GifTagger | Bot: Converting file to superior PNG file. (Source: Anaspida.gif). This GIF was problematic due to transparency and non-greyscale color table. |
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