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Home » Guide » Arthropods (Arthropoda) » Crustaceans (Crustacea) » Malacostracans (Malacostraca) » Marsupial Crustaceans (Peracarida) » Isopods (Isopoda) » Scutocoxifera » Woodlice (Oniscidea) » Holoverticata » Orthogonopoda » Crinocheta » Porcellionidae » Porcellio » Giant Canyon Woodlouse (Porcellio dilatatus)

Species Porcellio dilatatus - Giant Canyon Woodlouse

Classification · Explanation of Names · Size · Identification · Range · Internet References · Works Cited
Sow bug? - Porcellio dilatatus Rough Sowbug? - Porcellio dilatatus Rough Sowbug? - Porcellio dilatatus Porcellio dilatatus (misidentified as Trachelipus) - Porcellio dilatatus Porcellio dilatatus Porcellio dilatatus Porcellio - Porcellio dilatatus Large Isopod from Los Angeles - Porcellio dilatatus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Crustacea (Crustaceans)
Class Malacostraca (Malacostracans)
Superorder Peracarida (Marsupial Crustaceans)
Order Isopoda (Isopods)
No Taxon (Scutocoxifera)
Suborder Oniscidea (Woodlice)
Infraorder Holoverticata
No Taxon (Orthogonopoda)
No Taxon (Crinocheta)
Family Porcellionidae
Genus Porcellio
Species dilatatus (Giant Canyon Woodlouse)
Explanation of Names
Porcellio dilatatus Brandt 1833
Size
up to 15 mm(1)
Identification
wide oval shape (wider and bigger than average P. scaber specimen)
brownish color with typical lighter pattern
well developed middle lobe on the head, but rounded rather than pointy
telson elongated with rounded tip (not pointy-triangular as, e.g., in P. scaber)
[adapted from comments at (2)]
Range
native to W Europe, adventive and widespread in NA(3); Cosmopolitan
Internet References
Species page(1)
Works Cited
1.British Myriapod & Isopod Group
2.Porcellio dilatatus
3.Checklist of the terrestrial isopods of the New World (Crustacea, Isopoda, Oniscidea)
Leistikow A., Wägele J.W. 1999. Rev. Bras. Zool. 16: 1‒72.
Contributed by Hannah Nendick-Mason on 22 July, 2008 - 1:40pm
Additional contributions by Beatriz Moisset, v belov, Astrobirder
Last updated 5 September, 2021 - 11:09pm

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