Registered 23,191 species  (Collections:373,756; Observations:74,544; Other records:5,869)
Classification : Eukarya - Opisthokonta - Animalia - Arthropoda - Crustacea - Malacostraca - Eumalacostraca - Eucarida - Decapoda - Pleocyemata - Anomura - Paguroidea - Coenobitidae - Coenobita
真核生物ドメイン - Opisthokonta - 動物界 - 節足動物門 - 甲殻亜門 - 軟甲綱 - 真軟甲亜綱 - ホンエビ上目 - 十脚目 - 抱卵亜目 - 異尾下目 - ホンヤドカリ上科 - オカヤドカリ科 - オカヤドカリ属

Species Coenobita violascens   Heller, 1862     コムラサキオカヤドカリ
Synonym(s) :  

Cenobita violascens Heller, 1862

Paguroidea  Latreille, 1802  ホンヤドカリ上科

Coenobitoidea Dana, 1851

Asakura, A. (1995) Anomura. In: Nishimura, S. (ed.), Guide to Seashore Animals of Japan with Color Pictures and Keys, vol. II. Hoikusha, Osaka, 347-378 (in Japanese). 
Asakura, A. (2004) Recent topics on taxonomy of hermit crabs from Japanese waters-Family Coenobitidae. Aquabiology, 26(1), 83-89 (in Japanese). 
Japanese Association of Benthology (2012) Threatened animals of Japanese tidal flats: red data book of seashore benthos. Tokai University Press, Tokyo, 285 pp. (in Japanese). 
McLaughlin, P. A., Komai, T., Lemaitre, R. and D. L. Rahayu (2010) Annotated checklist of anomuran decapod crustaceans of the world (exclusive of the Kiwaoidea and families Chirostylidae and Galatheidae of the Galatheoidea). Part I-Lithodoidea, Lomisoidea and Paguroidea. The Raffles Bulletin of Zoology, Supplements 23, 5-107. 
Miyake, S. (1982) Japanese Crustacean Decapods and Stomatopods in Color, Vol. I. Macrura, Anomura and Stomatopoda. Hoikusha, Osaka, 261 pp. (in Japanese). 
Toyota, K. and S. Seki (2014) Nature Watching Guidebook, Freshwater Shrimps and Crabs in Japan. Seibundo Shinkosha Publishing, 256 pp. (in Japanese).