Evolution of the Late Ordovician orthid brachiopod Gnamptorhynchos Jin, 1989 from Platystrophia King, 1850, in North America

J. Jin, and R. Zhan

2000

Article

Journal of Paleontology 74(6):983-991

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Taxa discussed in this work:

• Gnamptorhynchos manitobensis

Taxonomy:

• Gnamptorhynchos orbiculoidea belongs to Gnamptorhynchos - Jin and Zhan (2000)
• Gnamptorhynchos inversum belongs to Gnamptorhynchos globatum - Jin and Zhan (2000)
• Gnamptorhynchos rhynchonelliformis belongs to Gnamptorhynchos - Jin and Zhan (2000)
• Gnamptorhynchos prayi belongs to Gnamptorhynchos - Jin and Zhan (2000)