The deep-water squat lobster Munidopsis hendersoniana Faxon, 1893 is reported for the third time since its original description. Previously known only from off Panama, in depths of 915-1867 m (“Albatross” and “Galathea” material), it was collected off western Mexico, 11°28’ degrees of latitude north to its previous distribution range. Environmental data for this rare species are summarized.