The evolution of the brachiopod Eocelia. The horizontal bars indicate the observed range of rib strength among fossilized finds.
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Photo credit: © Encyclopaedia Britannica / Alamy / Afripics
License: Licensed
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Keywords: ., animal, bars, biological, biology, brachiopod, confidence, curtisi, diagram, eocelia, eocelia., eumetazoa, evolution, evolutionary, figure, finds., fossilized, gradual, hemisphaerica, horiz, horizontal, illustration, illustrations, intermedia, interval, lamp, lineage, morphological, morphology, observed, punctual, range, rib, science, shelled, strength, sulcata, temporal, vertical
