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TF0702 - Orthis
Stratigraphic Range
Ordovician
Taxonomy
Phylum: Brachiopoda
Class: Rhynchonellata
Order: Orthida
Genus: Orthis
Class: Rhynchonellata
Order: Orthida
Genus: Orthis
Distinctive Features
Bilateral symmetry
Radiating ribs
Radiating ribs
Preservation
External mould