Cymonomus aequilonius Dell, 1971: 59–61 Deepwater crabs from seamounts and chemosynthetic habitats off eastern New Zealand (Crustacea: Decapoda: Brachyura) Ahyong, Shane T. Zootaxa 2008 2008-02-22 1708 1 1 72 6C6YM Dell, 1971 Dell 1971 [151,583,1701,1727] Malacostraca Cymonomidae Cymonomus Animalia Decapoda 11 12 Arthropoda species aequilonius  ( Fig. 1F)    Cymonomus aequiloniusDell, 1971: 59–61, figs 11–15 [ typelocality: NE of Mayor Island, Bay of Plenty, New Zealand, 37°10’S, 176°23.5’E, 731 m]. — McLay 1988: 92, fig. 17. — Ahyong & Brown 2003: 1372.   Material examined. Tims Bank,  S of Ritchie Hill: NIWA 34966, 1 male(cl 5.9 mm, cw 4.8 mm), 1 female(cl 7.7 mm, cw 6.7 mm), 40°01.29–01.20’S, 178°04.15–04.09’E,  797–804 m, KAH9907/01,  1 Jun 1999.  Mernoo Bank, Chatham Rise:  NIWA 16829, 1ovigerous female (cl 8.9 mm, cw 8. 2 mm), 44°20.0’S, 173°54.2’E,  675 m, S0161,  28 Oct 1979.   Remarks.The three specimensreported here represent the first records of  C. aequiloniussince it was first described, extending the known range south to the Chatham Rise. Among the three species of  Cymonomusknown from New Zealand,  C. aequiloniusis distinctive in its rostral length — longer than rather than distinctly shorter than the eyestalks.   Distribution.Eastern New Zealand: Bay of Plentysouth to the Chatham Rise; 675– 804 m. 1999-06-01 NIWA 800 Ritchie Hill 11 12 NIWA 34966 2 1 1 1979-10-28 NIWA 675 -44.333332 113 173.90334 12 13 NIWA 16829, 1 1