Thumbnail crab

Thumbnail crab
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Crustacea
Class:	Malacostraca
Order:	Decapoda
Infraorder:	Brachyura
Family:	Thiidae
Subfamily:	Thiinae; Dana, 1852
Genus:	Thia; Leach, 1815
Species:	T. scutellata
Binomial name
	Thia scutellata; (Fabricius, 1793)
Synonyms
	Cancer residuus Herbst, 1799; Thia polita Leach, 1815; Thia blainvillii Risso, 1822;

The thumbnail crab, Thia scutellata, is a species of crab whose carapace resembles a human thumbnail. It is found in the North Sea, north-east Atlantic and Mediterranean Sea.^[2] It is the only extant species in the genus Thia, although two fossil species are known.^[3]

References

^ Peter K. L. Ng, Danièle Guinot & Peter J. F. Davie (2008). "Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world" (PDF). Raffles Bulletin of Zoology. 17: 1–286.
^ Cédric d'Udekem d'Acoz (2003). "Thia scutellata (J.C. Fabricius, 1793)". Crustikon. Tromsø Museum. Archived from the original on February 19, 2008. Retrieved November 19, 2006.
^ Sammy De Grave; N. Dean Pentcheff; Shane T. Ahyong; et al. (2009). "A classification of living and fossil genera of decapod crustaceans" (PDF). Raffles Bulletin of Zoology. Suppl. 21: 1–109.

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[Ng-1] Peter K. L. Ng, Danièle Guinot & Peter J. F. Davie (2008). "Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world" (PDF). Raffles Bulletin of Zoology. 17: 1–286.

[2] Cédric d'Udekem d'Acoz (2003). "Thia scutellata (J.C. Fabricius, 1793)". Crustikon. Tromsø Museum. Archived from the original on February 19, 2008. Retrieved November 19, 2006.

[Grave-3] Sammy De Grave; N. Dean Pentcheff; Shane T. Ahyong; et al. (2009). "A classification of living and fossil genera of decapod crustaceans" (PDF). Raffles Bulletin of Zoology. Suppl. 21: 1–109.

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