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avatar_Halichoeres

New records, new morphological features of some Devonian fish

Started by Halichoeres, February 11, 2018, 01:33:34 AM

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Halichoeres

February 11, 2018, 01:33:34 AM
From a lower Devonian site in Estonia:

The pteraspidomorph Guerichosteus found to have enameloid in its armor (this would have made it as strong as teeth, or gar scales, although not likely homologous with teeth, which have true enamel).

Plus the acanthodian Cheiracanthus found in a new stratigraphic interval.

Paper, open-access:
http://www.kirj.ee/public/Estonian_Journal_of_Earth_Sciences/2018/issue_1/earth-2018-1-76-87.pdf
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