Pacifastacus nigrescens


Författare/Upphovsman:
George Nelson
Kreditera:
Faxon, Walter (1914) Notes on the Crayfishes in the United States National Museum and the Museum of Comparative Zoology with Descriptions of New Species and Subspecies to Which is Appended a Catalogue of the Known Species and Subspecies, Memoirs of the Museum of Comparative Zoology at Harvard College, Vol.XL, No.8, Cambridge, MA: Museum of Comparative Zoology
Kort länk:
https://sewiki.info/b/8b926
Källa:
Wikimedia Commons
Upplösning:
1539 x 866 Pixel (365910 Bytes)
Beskrivning:
Astacus nigrescens fortis Faxon. Male. Type. Fall R., Fall City Mills Cal., Aug 29, 1898
  • Subject: Astacus, Crayfish
  • Tag: Shellfish
Licens:
Public domain
Licenskommentaren:
Public domain This is a photograph from the Freshwater and Marine Image Bank at the en:University of Washington. Materials in the Freshwater and Marine Image Bank are in the public domain. No copyright permissions are needed. Acknowledgement of the Freshwater and Marine Image Bank as a source for borrowed images is requested.

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