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A new lobster Paraclytia valashtensis (Crustacea, Decapoda, Nephropidae) from the Late Cretaceous of the central Alborz Range, Iran

Abstract

A new species of Late Cretaceous clawed lobster, Paraclytia valashtensis, is described. The discovery is a notable addition to the sparse decapod fossil record of Iran, and this is the first record of the genus outside central Europe. The four previously known species of Paraclytia are from Germany and the Czech Republic, so this discovery represents a significant expansion of the palaeogeographic range of the genus.

Kurzfassung

Eine neue Art oberkretazischer Hummer wird als Paraclytia valashtensis beschrieben. Dieser Fund stellt eine wichtige Ergänzung des bisher sehr spärlichen Fossilberichtes von Decapoden aus dem Iran dar und ist gleichzeitig das erste Vorkommen dieser Gattung außerhalb Mitteleuropas. Die bisher beschriebenen vier Arten von Paraclytia stammen ausnahmslos aus Deutschland oder der Tschechischen Republik, so dass der neue Fund eine bedeutende Erweiterung der paläogeographischen Reichweite der Gattung darstellt.

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Abbreviations

NMW:

National Museum of Wales

NMP:

National Museum, Prague

IGWG:

Institut für Geologische Wissenschaften und Geiseltalmuseum, Halle

BGR:

Bundesanstalt für Geowissenschaften und Rohstaffe, Hannover

b1 :

Hepatic groove

c:

Postcervical groove

e:

Cervical groove

b:

Antennal groove

x:

‘Adductor testis’ region

ω:

Diamond-shaped protuberance

TM:

Thoracic median carina

SO:

Supraorbital carina

I:

Intermediate carina

B:

Branchial carina

A:

Antennal carina

L:

Lateral carina

PO:

Postorbital spine

T:

Tubercle

SP:

Supra-postorbital carina

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Acknowledgments

Leonid Popov, National Museum Wales, is thanked for bringing the specimen of P. valashtensis to LMEM’s attention. Norbert Hauschke, Institut für Geologische Wissenschaften und Geiseltalmuseum der Universität Halle, provided casts of specimens of P. boetticheri and P. westfalica. Jan Sklenář, National Museum, Prague, provided casts and photographs of specimens of P. nephropica. Angela Ehling, Bundesanstalt für Geowissenschaften und Rohstaffe, Hannover, loaned a specimen of P. nephropiformis. Ronald Winkler, Museum für Mineralogie und Geologie, Dresden, provided photographs of a specimen of P. nephropica. Dale Tshudy, Edinboro University of Pennsylvania, is thanked for providing extracts from his thesis and paper reprints relating to Paraclytia and Metanephrops. Robert Owens, National Museum Wales, gave very useful comments on drafts of this paper.

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Correspondence to Lucy Martha Evelyn McCobb.

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McCobb, L.M.E., Hairapetian, V. A new lobster Paraclytia valashtensis (Crustacea, Decapoda, Nephropidae) from the Late Cretaceous of the central Alborz Range, Iran. Paläontol Z 83, 419–430 (2009). https://doi.org/10.1007/s12542-009-0033-5

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  • DOI: https://doi.org/10.1007/s12542-009-0033-5

Keywords

  • Decapoda
  • Nephropidae
  • Paraclytia
  • Lobster
  • Late Cretaceous
  • Iran

Schlüsselwörter

  • Decapoda
  • Nephropidae
  • Paraclytia
  • Hummer
  • Obere Kreide
  • Iran