Strophomenata - Productida - Lyttoniidae
Alternative combination: Lyttonia nobilis
Synonyms: Semigublerina flabelata Liang 1990, Semigublerina gabata Liang 1990, Semigublerina ovata Liang 1990
Full reference: W. Waagen. 1883. Productus Limestone Fossils, Part IV, fas. 2. Salt Range Fossils, Palaeontologia Indica, Series 13 1(4):391-546
Belongs to Leptodus according to L. Angiolini and L. Carabelli 2010
Sister taxa: Leptodus cancriniformis, Leptodus deminutus, Leptodus elongatus, Leptodus guadalupensis, Leptodus hemisphaericus, Leptodus hoshanensis, Leptodus huangi, Leptodus kaluzinensis, Leptodus minor, Leptodus oldhaminoides, Leptodus ovatus, Leptodus richthofeni, Leptodus tenuis, Leptodus trapezium, Leptodus tumenlingensis, Leptodus wuchangensis
Ecology: stationary low-level epifaunal suspension feeder
Average measurements (in mm): shell 46.3 x 41.5, valve 40.4 x 38.3