Diorthelasma weissi Rice 1987 (lamp shell)

Rhynchonellata - Orthida - Draboviidae

Full reference: W. F. Rice. 1987. The systematics and biostratigraphy of the Brachiopoda of the Decorah Shale at St. Paul, Minnesota. Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35 136-166

Belongs to Diorthelasma according to W. F. Rice 1987

Sister taxa: Diorthelasma parvum, Diorthelasma semotum

Type specimen: Its type locality is Decorah Shale at St. Paul, Minnesota, which is in a Rocklandian/Shermanian carbonate shale in the Decorah Shale Formation of Minnesota.

Ecology: stationary epifaunal suspension feeder

Distribution:

• Ordovician of United States (10: Illinois, Iowa, Minnesota collections)

Total: 10 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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