The oldest platylepadid turtle barnacle (Cirripedia, Coronuloidea): a new species of Platylepas from the Lower Pleistocene of Italy

  • Alberto Collareta Dipartimento di Scienze della Terra, Università di Pisa, Via Santa Maria 53, 56126 Pisa, Italy. 2,7 Museo Civico di Storia Naturale di Comiso, Via degli Studi 9, 97013 Comiso
  • Agatino Reitano Museo Civico di Storia Naturale di Comiso, Via degli Studi 9, 97013 Comiso
  • Antonietta Rosso Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Università di Catania, Corso Italia 57, 95129 Catania
  • Rossana Sanfelippo Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Università di Catania, Corso Italia 57, 95129 Catania
  • Mark Bosselaers Koninklijk Belgisch Instituut voor Natuurwetenschappen, Operationele Directie Aarde en Geschiedenis van het Leven, Vautierstraat 29, Brussel
  • Giovanni Bianucci Dipartimento di Scienze della Terra, Università di Pisa, Via Santa Maria 53, 56126 Pisa
  • Gianni Insacco Museo Civico di Storia Naturale di Comiso, Via degli Studi 9, 97013 Comiso
DOI: https://doi.org/10.5852/ejt.2019.516
Keywords: †Platylepas mediterranea sp. nov., sea turtles, Mediterranean Basin, evolution, symbiosis

Abstract

Coronuloid barnacles are epibionts of several marine vertebrates (including cetaceans and sea turtles) as well as invertebrates, and are assigned to two families of turtle barnacles (Chelonibiidae Pilsbry, 1916 and Platylepadidae Newman & Ross, 1976) and one family of whale barnacles (Coronulidae Leach, 1817). Chelonibiids and coronulids have a scanty, albeit significant fossil record extending back to the Eocene and Pliocene, respectively; in turn, the fossil record of platylepadids is limited to a single record from the Upper Pleistocene. Here we report on an isolated carinolateral compartment of Platylepas Gray, 1825, the type genus of the family, from Lower Pleistocene (Gelasian) epibathyal deposits exposed at Milazzo (Sicily, Italy). This specimen is here designated holotype of a new species, †Platylepas mediterranea sp. nov. We argue that, like most extant members of Platylepas, †P. mediterranea sp. nov. lived partially embedded in the skin of a sea turtle. This record of an extinct platylepadid – the first from the Mediterranean region and the second worldwide – pushes back the fossil record of Platylepadidae to the lowermost Quaternary, thus possibly supporting an even earlier (e.g., Neogene) timing for the origin of this family and adding a new chapter to the evolutionary history of one of the most diverse and successful lineages of epizoic crustaceans.

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Published
2019-04-16
How to Cite
Collareta, A., Reitano, A., Rosso, A., Sanfelippo, R., Bosselaers, M., Bianucci, G., & Insacco, G. (2019). The oldest platylepadid turtle barnacle (Cirripedia, Coronuloidea): a new species of Platylepas from the Lower Pleistocene of Italy. European Journal of Taxonomy, (516). https://doi.org/10.5852/ejt.2019.516
Issue
No. 516 (2019): The oldest platylepadid turtle barnacle (Cirripedia, Coronuloidea): a new species of Platylepas from the Lower Pleistocene of Italy
Section
Palaeontology

Copyright (c) 2019 Alberto Collareta, Agatino Reitano, Antonietta Rosso, Rossana Sanfelippo, Mark Bosselaers, Giovanni Bianucci, Gianni Insacco

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