Rhynchonellata - Protorthida - Skenidiidae
Alternative combinations: Orthis pyramidalis, Skenidium pyramidalis
Full reference: W. H. Twenhofel. 1928. Geology of Anticosti Island. Geological Survey of Canada Memoir 154(2132):1-351
Belongs to Skenidioides according to P. M. Sheehan 1976
See also Jin and Blodgett 2020, Jin and Zhan 2008, Macomber 1970, Rasmussen 2013, Schuchert and Cooper 1932 and Twenhofel 1928
Sister taxa: Skenidioides acutum, Skenidioides anthonense, Skenidioides asteroideus, Skenidioides billingsi, Skenidioides costatus, Skenidioides craigensis, Skenidioides elongatus, Skenidioides greenhoughi, Skenidioides hymiri, Skenidioides kayseri, Skenidioides lewisii, Skenidioides multifarius, Skenidioides oklahomensis, Skenidioides operosa, Skenidioides paucicostatus, Skenidioides petrasi, Skenidioides robertsensis, Skenidioides scoliodus, Skenidioides woodlandiensis
Type specimen: YPM 10419, a shell
Ecology: facultatively mobile epifaunal suspension feeder
Distribution:
• Silurian of United States (10: Indiana, New York collections)
Total: 10 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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