Authors(s)	Takeda, M.
Year	1981a
Title	A new crab of the genus Cymonomus (Crustacea: Brachyura) from off Bosô Peninsula, central Japan. Researches on Crustacea, 11: 36-39, figs 1-2.

• Cyclodorippidae
• Cymonomus umitakae
• Eplumula phalangium
• Hyastenus elongatus
• Lissocarcinus laevis
• Podocatactes hamifer
• Tymolus uncifer