This reaction by the #echinoderm host may represent the progressive embedment of the invasive #epibiont. This record represents the oldest evidence of #parasitism among #deuterostomes.
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#deuterostomes
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Symbiotic interactions on middle #Cambrian echinoderms reveal the oldest #parasitism on #deuterostomes. External pathological outgrowths in echinoderm plates associated with perturbations in microstructure and growth suggest an epibiont negatively impacting its host: rdcu.be/ei75y #paleobiology
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Puzzle of the Week: A graphic representation of the tree of life, from it's origins to all the different forms that can be found today.
#puzzle #jigsaw #treeoflife #originoflife #allforms #life #eukaryote #animals #plants #vertebrates #protostome #deuterostomes #lophotrochozoans
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