The Commission has not supported the request to designate a neotype to conserve the usage of the name Mastodon waringi Holland, 1920, for a species of extinct South American proboscidean.
Mastodon waringi Holland, 1920 (currently Haplomastodon waringi; Mammalia; Proboscidea): request to designate a neotype not approved," The Bulletin of Zoological Nomenclature 69(3), 244-245, (1 September 2012). https://doi.org/10.21805/bzn.v69i3.a1