| Citation | Ishiyama, R., 1950, Studies on the rays and skates belonging to the family Rajidae, found in Japan and adjacent regions. 1. Egg-capsule of ten species.. Jap. J. Ichthyol. 1:30-36. |
| Ref. | Ishiyama, R., 1950 |
| Page | 30-36 |
| Named Used as Valid | Bathyraja isotrachys |
| Comment | Cited in Ref. 41250. Not actually seen. Valid name used similar to citing reference. |
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