A checklist of Australian marine Cenozoic Mollusca Author Darragh, Thomas A. text Memoirs of Museum Victoria 2024 2024-08-23 83 37 206 https://doi.org/10.24199/j.mmv.2024.83.02 journal article 10.24199/j.mmv.2024.83.02 1447-2554 Tucetona decurrens ( Chapman and Singleton, 1925 ) Glycymeris decurrens Chapman and Singleton, 1925: 42 , pl. 3, figs 24, 25, pl. 4, fig. 16. Glycymeris ( Tucetona ) decurrens Chapman and Singleton, 1925 : Ludbrook, 1965: 91 , pl. 3, figs 9, 10. Distribution . Otway Basin: Grange Burn Formation ( type ). Gippsland Basin: Jemmys Point Formation. Age : early Pliocene.