“Albatross” stn 3417, Acapulco, 16°32.00´N, 099°48.00´W, 902 m; “Albatross” stn 3424, Marias
Islands, 21°15.00´N, 106°23.00´W, 1236 m; “Albatross” stn 3425, Marias Islands, 21°19.00´N,
106°24.00´W, 1244 m.

Syntypes from “Albatross” stn 3417, 1 male, 2 ovigerous females, USNM 29161; syntypes from
“Albatross” stn 3424, 4 females, 2 ovigerous, USNM 21284; syntypes from “Albatross” stn 3425, 7
males, 5 females (2 ovigerous), not located.

Munidopsis hystrix Faxon, 1893: 183 (off Acapulco and near Las Tres Marias Island, 902-1244 m). - Faxon, 1895: 89, pl. 19, figs 1, 1a (off Acapulco and near Las Tres Marias Island, 902-1244 m). - Rathbun, 1904: 166 (no record). - Schmitt, 1921: 168, fig. 107 (examination of type material). - Garth & Haig, 1971: 6 (off Peru, 907-935 m). - Luke, 1977: 28 (list; San Diego Trough and off SW Baja California, 732-1229 m). - Wicksten, 1982: 245 (off southern California, Southern islands and banks (Santa Barbara, Santa Catalina, San Nicolas, and San Clemente Islands; Tanner and Cortez Banks, 500-1000 m). - Wicksten, 1989: 315 (list). - Hendrickx & Harvey, 1999: 376 (list). - Baba, 2005: 289 (key, synonymies). - Hendrickx, 2003b: 25 (SE Gulf of California). - Hendrickx, 2007: 598 (Gulf of California, 436-486 m).

Syntype for Munidopsis hystrix Faxon, 1893
Catalog Number: USNM 29161
Collection: Smithsonian Institution, National Museum of Natural History, Department of Invertebrate Zoology
Sex/Stage: male; female; ; ovigerous
Preparation: Alcohol (Ethanol)
Year Collected: 1891
Locality: Off Acapulco, Mexico, North Pacific Ocean
Depth (m): 902 to 902
Vessel: Albatross R/V

Syntype for Munidopsis hystrix Faxon, 1893
Catalog Number: USNM 21284
Collection: Smithsonian Institution, National Museum of Natural History, Department of Invertebrate Zoology
Sex/Stage: female; female; ; ovigerous
Preparation: Alcohol (Ethanol)
Year Collected: 1891
Locality: Near Tres Marias Islands, Mexico, North Pacific Ocean
Depth (m): 1236 to 1236
Vessel: Albatross R/V

Depth range based on 6 specimens in 1 taxon.
Water temperature and chemistry ranges based on 4 samples.

Environmental ranges
  Depth range (m): 898 - 1244
  Temperature range (°C): 3.735 - 4.765
  Nitrate (umol/L): 43.009 - 44.820
  Salinity (PPS): 34.523 - 34.560
  Oxygen (ml/l): 0.254 - 0.601
  Phosphate (umol/l): 3.425 - 3.499
  Silicate (umol/l): 101.642 - 127.343

Graphical representation

Depth range (m): 898 - 1244

Temperature range (°C): 3.735 - 4.765

Nitrate (umol/L): 43.009 - 44.820

Salinity (PPS): 34.523 - 34.560

Oxygen (ml/l): 0.254 - 0.601

Phosphate (umol/l): 3.425 - 3.499

Silicate (umol/l): 101.642 - 127.343
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.