Gastropoda - Neogastropoda - Cystiscidae
Alternative combinations: Cystiscus subtrigona, Granulina subtrigona, Marginella subtrigona
Synonyms: Cystiscus regularis Carpenter 1864, Marginella (Cystiscus) regularis Carpenter 1864, Marginella oldroydae Jordan 1926, Marginella regularis Carpenter 1864
Belongs to Gibberula according to A. Hendy 2021
See also Hendy 2020 and Marincovich 1976
Sister taxa: Gibberula aquitanensis, Gibberula oryza, Gibberula polita, Marginella (Gibberula) chondra, Marginella (Gibberula) dryados, Marginella (Gibberula) trinitatensis, Marginella (Gibberula) waltoniana, Persicula (Gibberula) glandula, Persicula (Gibberula) lavelleana
Type specimens:
- Gibberula subtrigona: Redpath 81, a shell
- Marginella (Cystiscus) regularis:
- Marginella oldroydae:
Ecology: epifaunal carnivore
Distribution:
• Quaternary of Mexico (2 collections), United States (10: California)
Total: 12 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.