Rhynchonellata - Orthida - Hesperorthidae
Alternative combination: Orthis twenhofeli
Full reference: A. D. Wright. 1964. The Fauna of the Potrane Limestone, II. Bulletin of the British Museum (Natural History) Geology 9(6):157-256
Belongs to Ptychopleurella according to A. D. Wright 1982
Sister taxa: Ptychopleurella aleksandrovae, Ptychopleurella angulaticostata, Ptychopleurella arthuri, Ptychopleurella bouchardi, Ptychopleurella decretoria, Ptychopleurella emarginata, Ptychopleurella erecta, Ptychopleurella kleinhamplei, Ptychopleurella lamellosa, Ptychopleurella lapworthi, Ptychopleurella lenzi, Ptychopleurella mediocostata, Ptychopleurella multicostata, Ptychopleurella oklahomensis, Ptychopleurella pirguensis, Ptychopleurella porcia, Ptychopleurella rectangulata, Ptychopleurella separata, Ptychopleurella sulcata, Ptychopleurella transversa, Ptychopleurella uniplicata
Distribution:
• Ordovician of Ireland (1 collection), Sweden (1)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.