Euastacus hystricosus
Keith A. Crandall
Types
The holotype and allotype of E. hystricosus have been lost from the Queensland Museum (fide Riek, 1969:896) and could not be found for this study. Riek (1956: 1-2; 1969:896) named lectotypes (including a "holotype", "allotype", and "paratypes") from Elaman Creek, Maleny (AM P13044). This move was invalid as lectotypes can be designated only from a series of syntypes. A single neotype may be nominated if the type series is lost but "only in exceptional circumstances where a neotype is necessary in the interests of stability of nomenclature" (International Code of Zoological Nomenclature, Art. 75a). It is here regarded that a neotype need not be designated for E. hystricosus.Distribution and Habitat
The species inhabits streams in wet sclerophyll and rainforests at elevations above 550 m a.s.l. in the Conondale Range and Maleny areas west of Nambour, south-east Queensland. The species occurs in the Mary River system and was recently also collected from a tributary of the Brisbane River.References
Baillie, Jonathan, and Brian Groombridge. 1996. IUCN Red List of Threatened Animals.
Crandall, Keith A., James W. Fetzner, Jr., Carlos G. Jara, and Ludwig Buckup. 2000. On the Phylogenetic Positioning of the South American Freshwater Crayfish Genera (Decapoda: Parastacidae). Journal of Crustacean Biology, 20(3): 530-540.
Morgan, G. J. 1988. Freshwater crayfish of the genus Euastacus Clark (Decapoda: Parastacidae) from Queensland. Memoirs of the Museum of Victoria, 49: 1-49.
Riek, E. F. 1951. The freshwater Crayfish (family Parastacidae) of Queensland, with an appendix describing other Australian species. Records of the Australian Museum 22: 368-388.
Title Illustrations
Euastacus hystricosus
Photo copyright © Keith A. Crandall
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About This Page
Page constructed by Emily Browne.
Keith A. Crandall
Brigham Young University, Provo, Utah, USA
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