There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 80927 | J. Alroy | Santiago Truck Trail Trigonarca-Flaventia Paleocommunity (= STT-2) Turonian - Cretaceous 6 - California | Sundberg (1980) |
| 150674 | W. Kiessling | East Themed area, Wata Formation, Rachiosoma geysi − Cucullaea (I.) trigona as. Late Turonian - Cretaceous 6 - Egypt | Ayoub-Hannaa and Fürsich (2012) |
| 157505 | M. Clapham | First Canyon, Shoshone Mountains (M. trigonatum assemblage) Bucklandi - Jurassic 1 - Nevada | Taylor (1998) |
| 157512 | M. Clapham | New York Canyon, Shoshone Mountains (M. trigonatum assemblage) Bucklandi - Jurassic 1 - Nevada | Taylor (1998) |