Gastropoda - Neotaenioglossa - Calyptraeidae
Alternative combinations: Calyptraea (Calyptraea) mamillaris, Calyptraea (Galerus) mammillaris, Calyptraea (Siphopatella) mamillaris, Calyptraea (Trochita) mamillaris
Belongs to Calyptraea according to A. Hendy 2021
See also Clark and Arnold 1923, Keen 1971, Nagao 1928 and Stewart 1927
Sister taxa: Calyptraea (Bicatillus), Calyptraea (Calyptraea), Calyptraea (Calyptropsis), Calyptraea (Galerus), Calyptraea (Siphopatella), Calyptraea (Trochatella), Calyptraea (Turbocalyptraea), Calyptraea alta, Calyptraea centralis, Calyptraea chinensis, Calyptraea contorta, Calyptraea coreyi, Calyptraea corrugata, Calyptraea corrugata, Calyptraea costellata, Calyptraea crassa, Calyptraea diegoana, Calyptraea dunni, Calyptraea elevata, Calyptraea ewekoroensis, Calyptraea fastigiata, Calyptraea filosa, Calyptraea inornata, Calyptraea kilburni, Calyptraea laevigata, Calyptraea lamellosa, Calyptraea martini, Calyptraea nigeriensis, Calyptraea nigeriensis, Calyptraea pileus, Calyptraea placuna, Calyptraea ramsisi, Calyptraea rugosa, Calyptraea sookensis, Calyptraea sorachiensis, Calyptraea subtabulata, Calyptraea trochiformis, Calyptraea undulata
Subtaxa: Calyptraea (Galerus) mammillaris vancouverensis
Distribution:
• Quaternary of Costa Rica (1 collection), Ecuador (1), Mexico (1), Panama (1), United States (7: California)
• Pliocene to Pleistocene of United States (1: California)
• Pliocene of Mexico (1), United States (2: California)
• Miocene of United States (1: California)
• Paleocene of United States (1: California)
Total: 17 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.