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Membranilarnax pterospermoides
| pterospermoides | |
| Wetzel, O. (1933b) | |
| Downie, C. and Sarjeant, W.A.S. (1965) | |
| M_pterospermoides, Wetzel, 1933b, Palaeontographica, Abt. A vol.78 -- 1.jpg | |
| active | |
