Decapod crustaceans from hydrothermal vents and cold seeps: a review through 2005 Author Martin, Joel W. Author Haney, Todd A. text Zoological Journal of the Linnean Society 2005 2005-12-31 145 4 445 522 https://academic.oup.com/zoolinnean/article-lookup/doi/10.1111/j.1096-3642.2005.00178.x journal article 10.1111/j.1096-3642.2005.00178.x 0024-4082 5434828 MUNIDOPSIS ALVISCA WILLIAMS, 1988 Type locality : eastern Pacific Ocean , Gulf of California , Guaymas Basin ; 27°00′N , 111°25′W ; 2008 m . Known range : Known only from the periphery of hydrothermal vent fields on the Explorer and Juan de Fuca ridges at 1545–1800 m in the North Pacific ( Williams, 1988 ) and in the Guaymas Basin ( Gulf of California ) at 2000 m ( Williams, 1988 ; Khodkina, 1991 ; Chevaldonné & Olu, 1996 ; Van Dover, 1997 , in Desbruyères & Segonzac, 1997 ). Material : eastern Pacific Ocean , Gulf of California , Guaymas Basin ; 27°00′N , 111°25′W ; 2008 m ; Alvin dive 1616; 8 August 1985 ; USNM 234294 ( holotype female), USNM 234301 ( paratype , 1 female ) ( Williams, 1988 ) . – Magic Mountain , Explorer Ridge , Gulati Gusherbase ; 49°45.6′N , 130°16.16′W ; 1818 m ; Canadian American Seamount Expedition (?), Pisces IV dive P- 1494; 1 July 1984 ; USNM 234295 ( paratype male) ( Williams, 1988 ) . – Upper Magic Mountain , Explorer Ridge , Lunch Hour Vent ; 49°45.5′N , 130°16.1′W ; 1812 m ; Canadian American Seamount Expedition (?), Pisces IV dive P- 1497; 4 July 1984 ; USNM 234296 ( paratype , 1 ovigerous female) ( Williams, 1988 ) . – Upper Magic Mountain , Explorer Ridge , Crab Vent ; 49°45.5′N , 130°16.1′W ; 1812 m ; Canadian American Seamount Expedition (?), Pisces IV dive P-1497; 4 July 1984 ; USNM 234297 ( paratype , 1 ovigerous female), USNM 234298 ( paratype , 1 ovigerous female) ( Williams, 1988 ) . –north-eastern Pacific Ocean, Juan de Fuca Ridge, Limbo Vent, 3 m from Holland’s Hillock Axial Seamount; 45°55′N , 130°03′W ; 1545 m ; ASHES Expedition, Pisces IV dive P-1732; 2 August 1986 ; USNM 234299 ( paratypes , 2 ovigerous females) ( Williams, 1988 ) . – Gulf of California , Guaymas Basin; 27°02′79″N, 111°22′80″W; 1987 m ; Expedition 12, R / V Academician Mstislav Keldysh , Pisces IV sta. 1534; non-types, 1 male , 1 ovigerous female. −27°02′70″N, 111°24′50″W ; 1967 m ; Expedition 12, R / V Academician Mstislav Keldysh ; Pisces IV sta. 1575; non-type, 1 ovigerous female ( Khodkina, 1991 ). Remarks : Collections of this species from the Guaymas Basin include the holotype and a paratype female, as well as three specimens noted by Khodkina (1991) found on the slope of a smoker among colonies of Riftia . The species, or a similar one, has been observed but not collected at several other vent sites along the Juan de Fuca ridge apart from sites listed above. Chevaldonné & Olu (1996) noted the possibility that the galatheid reported by Van Dover, Grassle & Boudrias (1990) from vents of the Escanaba Trough on the Gorda Ridge might also be M. alvisca . Van Dover (1997: 201 , in Desbruyères & Segonzac, 1997 ) gives anatomical characters that distinguish the species from the morphologically similar Munidopsis subsquamosa (which is possibly a species complex; see below under Munidopsis subsquamosa ).