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Oryctocephalus Walcott, 1886

Source

Rank

genus

Names

1

Bull. U. S. geol. Surv. , No. 30, 210.

Oryctocephalidae Beecher, 1897
- Oryctocephalus Walcott, 1886
  - Oryctocephalus frichenfeldi Surorova, 1964
  - Oryctocephalus primus Walcott