Valid Names Results

Mammilla is now Novmammilla Jian & Xing, 2022 (Aclerdidae)

Mammilla Wu 2011: 241. Type species: Mammilla jinzhaiensis Wu by monotypy and original designation . junior homonym Notes: The name Mammilla Wu 2011 is preoccupied by Mammilla Schumacher 1817, a marine snail genus belonging to Mollusca: Gastropoda: Littorinimorpha: Naticidae, based on the type species Mammilla fasciata Schumacher 1817.
Novmammilla Jian & Xing 2022: 149. . replacement name Notes: Replacement name for Mammilla.

Systematics: The new genus is close to Megacanthaspis Takagi, 1961 and Poliaspoides MacGillivray, 1921, but can be distinguished by lacking a perivulvar pore and having 4 microtubular duct groups in venter. It also differs from the other genus in this family by presence of the marginal mammilla spine. (Wu, 20T1) Takagi, 2014 determined that although the genus was described in the Diaspidiae, the figure in the description was an "aclerdid nymph probably a male." He determined that "Mammilla, Wu, 2011, therefore, should be synonymous with Aclerda Signoret 1874, or Nipponaclerda McConnell, 1954, family Aclerdidae. He also stated that .it is homonymous with the gastropod genus Mammilla Schumacher, 1817
General Remarks: Detailed descirption in Wu, 2011.