Presence of Naraoia Walcott, 1912 (Nektaspida, Arthropoda) in the middle Cambrian of Europe (Murero, NE Spain)

  1. Rodolfo Gozalo 1
  2. Mª Eugenia Dies-Álvarez 2
  3. José Antonio Gámez Vintaned 3
  4. Juan B. Chirivella 4
  5. Eladio Liñan 2
  1. 1 Universitat de València
    info

    Universitat de València

    Valencia, España

    ROR https://ror.org/043nxc105

  2. 2 Universidad de Zaragoza
    info

    Universidad de Zaragoza

    Zaragoza, España

    ROR https://ror.org/012a91z28

  3. 3 Universiti Teknologi Petronas
    info

    Universiti Teknologi Petronas

    Ipoh, Malasia

    ROR https://ror.org/048g2sh07

  4. 4 Universidad CEU Cardenal Herrera
    info

    Universidad CEU Cardenal Herrera

    Valencia, España

    ROR https://ror.org/01tnh0829

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Revista:
Spanish journal of palaeontology

ISSN: 2255-0550

Año de publicación: 2018

Volumen: 33

Número: 1

Páginas: 83-88

Tipo: Artículo

DOI: 10.7203/SJP.33.1.13243 DIALNET GOOGLE SCHOLAR lock_openAcceso abierto editor

Otras publicaciones en: Spanish journal of palaeontology

Resumen

 The genus Naraoia Walcott, 1912, a Burgess Shale-type fossil known from the lower and middle Cambrian of British Columbia (Canada), Idaho and Utah (USA), as well as from Yunnan and Guizhou provinces (China), is now reported from the middle Cambrian of Murero (Zaragoza, Spain), which is the first record in the Acadobaltic province. The only fragmented specimen found is determined as Naraoia sp., its age being Pardailhania multispinosa Zone (Drumian Stage). This new datum reinforces the hypothesis of the existence of a cosmopolitan faunal substrate in early Cambrian times, which is to some extent refl ected in the mid Cambrian by faunal groups of low evolutionary potential as the family Naraoiidae and other soft-bodied fossil taxa.

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