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Quinquecuspis concreta
| concreta | |
| Reid, P.C. (1977) | |
| Harland, R. (1977b) | |
| Q_concreta, He et al., 2009, Nanjing Institute of Geology and Palaeontology, Nanjing 2100089 - 5.jpg | |
| active | |
| 6.63 | |
| 0 | |
