| Citation | Lythgoe, J. and G. Lythgoe, 1976, Vissen van de Europese kutswateren en de Middlellandse Zee.. 335 p. |
| Ref. | 41304 Lythgoe, J. and G. Lythgoe, 1976 |
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| Named Used as Valid | Raja undulata |
| Comment | Cited in Ref. 41250. Not actually seen. Valid name used similar to citing reference. |
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