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New Zealand Half Crab

Scientific Name
Petrolisthes elongatus
Scientific Author
(Milne Edwards, 1837)
Taxonomy
Crustacea: Decapoda: Anomura: Porcellanidae
Status
Exotic Species Establishment in Australia
Reliability
High
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Diagnostic Notes

Carapace rounded, about as broad as long; finely granulate, without dorsal spines, without supraocular spine, front broadly rounded-triangular, with smooth margins. Cheliped carpus inner margin with obsolete ridge proximally, outer margin with 1–2 weak spines and sharp distal angle; propodus unarmed, weakly granulate. Merus of walking legs unarmed. Telson with 7 plates. 

 

Up to 21 mm long. Reddish-yellow.

More Information
Specimen Contact
Gary Poore
Author
Poore, G.C.B & Wilson, R.
Created
19/04/2008 02:23 AEST
Last Updated
13/06/2008 16:53 AEST
Citation
Poore, G.C.B & Wilson, R. (2008) New Zealand Half Crab (Petrolisthes elongatus) Updated on 6/13/2008 4:53:05 PM Available online: PaDIL - http://www.padil.gov.au.
Image Use
Free for use under the Creative Commons Attribution 3.0 Australia License

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