ammonites
Lingula marginia Feng 1978 (lamp shell)

Lingulata - Lingulida - Lingulidae

Full reference: R. L. Feng. 1978. Brachiopod names. Paleontological Atlas of Southwest China, Guizhou Volume 2:231-305

Belongs to Lingula according to R. L. Feng 1978

Sister taxa: Lingula (Glossina), Lingula acutangula, Lingula adamsi, Lingula allingi, Lingula anatina, Lingula arctica, Lingula beanii, Lingula borealica, Lingula borealis, Lingula bravardi, Lingula briseis, Lingula carbonaria, Lingula clintoni, Lingula cobourgensis, Lingula complanata, Lingula credneri, Lingula cuneata, Lingula curta, Lingula deitersensis, Lingula desiderata, Lingula dregeri, Lingula elegantula, Lingula elongata, Lingula eva, Lingula freboldi, Lingula fuyuanensis, Lingula huronensis, Lingula hyperborea, Lingula ingens, Lingula kedonensis, Lingula kolymaensis, Lingula lamellata, Lingula liurjakhensis, Lingula marginata, Lingula meeki, Lingula metensis, Lingula minima, Lingula morsei, Lingula nanimensis, Lingula nitida, Lingula nympha, Lingula oblata, Lingula obtusa, Lingula olenekensis, Lingula ovata, Lingula percorrugata, Lingula philomela, Lingula polaris, Lingula progne, Lingula reevii, Lingula riciniformis, Lingula spatulata, Lingula squamiformis, Lingula sturti, Lingula subcircularis, Lingula subelliptica, Lingula subovalis, Lingula subspatulata, Lingula subtenuissima, Lingula truncata, Lingula tumida, Lingula tumidula, Lingula whitfieldi, Lingula xinlinensis

Type specimen: Its type locality is Yangjia River, Yongning, Guanling, which is in an Anisian carbonate limestone in the Guanling Formation of China

Ecology: facultatively mobile infaunal suspension feeder

Average measurements (in mm): valve 5.60 x 3.60