Strophomenata - Strophomenida - Strophonellidae

Alternative combination: Amphistrophia extensa

Full reference: S. A. Northrop. 1939. Paleontology and stratigraphy of the Silurian rocks of the Port Daniel-Black Cape Region, Gaspé. Geological Society of America Special Paper 21:1-302

Belongs to Strophonella according to N. P. Kulkov et al. 1985

See also Northrop 1939

Sister taxa: Strophonella (Quasistrophonella), Strophonella (Strophonella), Strophonella alterniradiata, Strophonella bohemica, Strophonella gippslandica, Strophonella laxiplicata, Strophonella loeblichi, Strophonella patenta, Strophonella punctulifera, Strophonella semifasciata, Strophoprion euglypha, Strophoprion geniculatum

Type specimen: YPM. Its type locality is Northrop Locality 010. Mouth of Chouinard Brook, Gascons, which is in a Gleedonian carbonate limestone in the Gascons Formation of Canada.

Distribution: found only at Northrop Locality 010. Mouth of Chouinard Brook, Gascons

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Specimen images are retrieved through the ePANDDA API.