Gnamptorhynchos orbiculoidea Jin and Chatterton 1997 (lamp shell)

Rhynchonellata - Orthida - Platystrophiidae

Alternative combination: Platystrophia orbiculoidea

Full reference: J. Jin and B. D. E. Chatterton. 1997. Latest Ordovician-Silurian articulate brachiopods and biostratigraphy of the Avalanche Lake area, southwestern District of Mackenzie, Canada. Palaeontographica Canadiana 13:1-62

Belongs to Gnamptorhynchos according to J. Jin and D. A. T. Harper 2024

See also Jin and Chatterton 1997 and Jin and Zhan 2000

Sister taxa: Gnamptorhynchos globatum, Gnamptorhynchos manitobensis, Gnamptorhynchos prayi, Gnamptorhynchos rhynchonelliformis, Gnamptorhynchos selliseptalicium

Type specimen: UA 10499

Ecology: stationary epifaunal suspension feeder

Distribution:

• Ordovician of Canada (3: Northwest Territories, Yukon collections)

Total: 3 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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