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A rugose coral – bryozoan association from the Lower Devonian of NW Spain

Sendino, Consuelo ; Suárez Andrés, Juan Luis ; Wilson, Mark A.

Palaeogeography, palaeoclimatology, palaeoecology, 2019-09, Vol.530, p.271-280 [Periódico revisado por pares]

Elsevier B.V

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  • Título:
    A rugose coral – bryozoan association from the Lower Devonian of NW Spain
  • Autor: Sendino, Consuelo ; Suárez Andrés, Juan Luis ; Wilson, Mark A.
  • Assuntos: Coral settlement ; Cystoporate bryozoans ; First Devonian record ; Intergrowth ; Symbiosis
  • É parte de: Palaeogeography, palaeoclimatology, palaeoecology, 2019-09, Vol.530, p.271-280
  • Descrição: A new rugose coral-cystoporate bryozoan association is here described from the Devonian of NW Spain. This is the first evidence of intergrowths between Devonian rugose corals and bryozoans. In this case bryozoans provided a suitable substrate for the settlement of corals, which were subsequently encrusted by the bryozoans. The hypothesis of intergrowth between living organisms is supported by the absence of encrustation of the rugose coral calices by the cystoporates. We suggest that the association was specific and developed through chemical mediation. This symbiosis was facultative for the bryozoans but likely not for the corals. The association provided the bryozoan host with additional substrate for encrustation as well as protection from various predators, and it allowed the rugose corals to grow in a muddy environment and benefit from the feeding currents of the bryozoans. •First Devonian described case of rugose coral-cystoporate bryozoan intergrowth•Bryozoans provided in vivo substrate for corals which were encrusted by bryozoans.•This association was specific and developed through chemical mediation.•Corals benefited from the feeding currents of the bryozoans.•Stressful soft-bottom environment may have triggered this association.
  • Editor: Elsevier B.V
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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