Figure 1 from: Whisson C, Köhler F (2013) Gastrocopta (Mollusca, Gastropoda, Pupillidae) in the Pilbara region of Western Australia. ZooKeys 261: 15-39. https://doi.org/10.3897/zookeys.261.4269

Figure 1 - Apertural barriers of Gastrocopta (clockwise in aperture). IPAR Infraparietal Tooth PAR Parietoangular Tooth ANG Angular Tooth SPAL Suprapalatal Tooth UPAL Upper Palatal Tooth INP Interpalatal Tooth LPAL Lower Palatal Tooth IPAL Infrapalatal Tooth BAS Basal Tooth COL Columellar Tooth.