Tergomya - Archinacellida - Metoptomatidae

Alternative combination: Lepetopsis concentrica

Full reference: I.P. Tolmachoff. 1930. On the fossil faunas from Per Schei’s Series D from Ellesmere Land with exception of brachiopods, corals and cephalopods. Report on the second Norwegian Arctic expedition in the “Fram” 1898-1902 38:1-106

Belongs to Calloconus according to P. J. Wagner 2023

See also Tolmachoff 1930

Sister taxa: Calloconus avus, Calloconus coronata, Calloconus devonica, Calloconus gibbosa, Calloconus pompeckji, Calloconus recta, Palaeoscurria (Calloconus) perneri

Ecology: epifaunal grazer

Distribution: found only at Østre Börgen, east shore of Goose Fjord. Ellesmere Island (Devonian of Northwest Territories)

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Specimen images are retrieved through the ePANDDA API.