Rhynchonellata - Orthida - Hesperorthidae
Alternative combination: Orthis lamellose
Full reference: P. E. Raymond. 1905. The fauna of the Chazy Limestone. The American Journal of Science 20:353-382
Belongs to Ptychopleurella according to J. Jin and R. Zhan 2008
See also Bassler 1915, Cooper 1956, Raymond 1905, Raymond 1906, Raymond 1911 and Twenhofel 1928
Sister taxa: Ptychopleurella aleksandrovae, Ptychopleurella angulaticostata, Ptychopleurella arthuri, Ptychopleurella bouchardi, Ptychopleurella decretoria, Ptychopleurella emarginata, Ptychopleurella erecta, Ptychopleurella kleinhamplei, Ptychopleurella lapworthi, Ptychopleurella lenzi, Ptychopleurella mediocostata, Ptychopleurella multicostata, Ptychopleurella oklahomensis, Ptychopleurella pirguensis, Ptychopleurella porcia, Ptychopleurella rectangulata, Ptychopleurella separata, Ptychopleurella sulcata, Ptychopleurella transversa, Ptychopleurella twenhofeli, Ptychopleurella uniplicata
Type specimen: YPM10411, a shell
Ecology: stationary epifaunal suspension feeder
Distribution:
• Silurian of Lithuania (4 collections)
• Ordovician of Canada (6: Quebec, Québec)
Total: 10 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.