| 词条 | Ussuniidae |
| 释义 |
| fossil_range = {{Fossil range | Ordovician|ps =(Llandeilo–lower Caradoc)| refs=[1] }} | taxon = Ussuniidae | authority = | subdivision_ranks = Genera | subdivision = Ussunia }}Ussuniidae is a monogeneric family of Ordovician brachiopods aligned with the Trimerellids, but showing additional similarities to the craniids and considered intermediate in morphology.[2][3] References1. ^{{TreatiseH}} {{Taxonbar|from=Q33137448}}2. ^{{cite journal|last1=Gorjansky|first1=Wladimir|last2=Popov|first2=Leonid|title=On the origin systematic position of the calcareous-shelled inarticulate brachiopods|journal=Lethaia|date=July 1986|volume=19|issue=3|pages=233–240|doi=10.1111/j.1502-3931.1986.tb00737.x}} 3. ^{{TreatiseH}} 2 : Craniata|Prehistoric brachiopods |
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