A new barnacle (Cirripedia: Neobalanoformes) from the early miocene of Peru: Palaeoecological and palaeobiogeographical implications

Alberto Collareta, Giovanni Coletti, Giulia Bosio, John Buckeridge, Christian de Muizon, Thomas J. Devries, Rafael M. Varas-Malca, Alí Altamirano-Sierra, Mario Urbina-Schmitt, Giovanni Bianucci

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Abstract

Schweizerbart’sche Verlagsbuchhandlung, Stuttgart, Germany. A new megabalanine barnacle, Austromegabalanus carrioli sp. nov., is described from lower Miocene strata of the Chilcatay Formation (East Pisco Basin, southern Peru). An assessment of the value of interlaminate f gures in distinguishing species within the tribe Austromegabalanini from thin sections is provided – a useful identif cation tool with fossil taxa such as the austromegabalanines, which are commonly found only as fragmented shells. The paper concludes with a reassessment of the palaeobiogeography and distribution patterns of the austromegabalanines, proposing a circum-equatorial origin for this tribe.
Original languageAmerican English
Pages (from-to)321-338
Number of pages18
JournalNeues Jahrbuch fur Geologie und Palaontologie - Abhandlungen
Volume292
Issue number3
DOIs
StatePublished - 1 Jan 2019

Keywords

  • Austromegabalanini
  • Austromegabalanus carrioli sp.
  • Balanidae
  • Burdigalian
  • Chilcatay formation
  • East pisco basin
  • Megabalaninae
  • Nov
  • Palaeobiogeography
  • Palaeoecology
  • Thoracica

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    Collareta, A., Coletti, G., Bosio, G., Buckeridge, J., de Muizon, C., Devries, T. J., Varas-Malca, R. M., Altamirano-Sierra, A., Urbina-Schmitt, M., & Bianucci, G. (2019). A new barnacle (Cirripedia: Neobalanoformes) from the early miocene of Peru: Palaeoecological and palaeobiogeographical implications. Neues Jahrbuch fur Geologie und Palaontologie - Abhandlungen, 292(3), 321-338. https://doi.org/10.1127/njgpa/2019/0825