identified by scientist Quaternary Holocene recent Tristan da Cunha and off Challenger Station 135 FEU-1004000
|  | identified by M. Hesemann Jurassic Upper Jurassic Tithonian United Kingdom and Ireland Freshwater Steps FEU-1025601
|  | identified by M. Hesemann Jurassic Upper Jurassic United Kingdom and Ireland Chapmans Pool FEU-1022564
|  | identified by M. Hesemann Jurassic Middle Jurassic Callovian Iberian Peninsula Mareta FEU-1011866
|  | identified by M. Hesemann Jurassic Middle Jurassic Callovian Iberian Peninsula Mareta FEU-1011901
|  |