AN EFFACED HORSESHOE CRAB (ARTHROPODA: CHELICERATA: XIPHOSURA) FROM THE UPPER CARBONIFEROUS OF THE CARNIC ALPS (FRIULI, NE ITALY)

Authors

  • PAUL A. SELDEN
  • LUCA SIMONETTO
  • GIORDANO MARSIGLIO

DOI:

https://doi.org/10.13130/2039-4942/11517

Abstract

A carapace of a new horseshoe crab (Arthropoda: Chelicerata: Xiphosura) is described from the Upper Carboniferous (Kasimovian) Meledis Formation of the Carnic Alps, Friuli, Italy. It is named as Stilpnocephalus pontebbanus n. gen. & n. sp., and belongs to the family Belinuridae Zittel in Zittel & Eastman, 1913. The large (>8 cm width) carapace is strongly effaced and appears to lack eyes. The new specimen is the first fossil horseshoe crab to be described from Italy and the largest known belinurid.

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