Ussuniidae Explained
Ussuniidae is a monogeneric family of Ordovician brachiopods aligned with the Trimerellids, but showing additional similarities to the craniids and considered intermediate in morphology.[1]
Notes and References
- Gorjansky. Wladimir. Popov. Leonid. On the origin systematic position of the calcareous-shelled inarticulate brachiopods. Lethaia. July 1986. 19. 3. 233–240. 10.1111/j.1502-3931.1986.tb00737.x.