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    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/TimeThumbnailDimensionsUserComment
    current21:03, 14 August 2014Thumbnail for version as of 21:03, 14 August 2014563 × 287 (53 KB)GifTaggerBot: 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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