Rhynchonellata - Orthida - Hesperorthidae
Alternative combinations: Glyptorthis lapworthi, Orthis lapworthi
Synonyms: Glyptorthis biornata Reed 1945, Orthis (Glyptorthis) biornata Reed 1945
Belongs to Ptychopleurella according to D. A. T. Harper 1986
See also Cocks 1978, Reed 1945 and Williams 1962
Sister taxa: Ptychopleurella aleksandrovae, Ptychopleurella angulaticostata, Ptychopleurella arthuri, Ptychopleurella bouchardi, Ptychopleurella decretoria, Ptychopleurella emarginata, Ptychopleurella erecta, Ptychopleurella kleinhamplei, Ptychopleurella lamellosa, 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 specimens:
- Ptychopleurella lapworthi: B55709, a valve (brachial valve)
- Glyptorthis biornata: Its type locality is Balclatchie Farm, Ayrshire, Girvan, which is in a Burrellian carbonate limestone in the Balclatchie Formation of the United Kingdom.
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of the United Kingdom (2 collections)
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.