Tergomya - Kiringellida - Hypseloconidae

Alternative combination: Palaeacmaea sohsanensis

Full reference: T. Kobayashi. 1934. The Cambro-Ordovician formations and faunas of south Chosen. Paleontology. Part I. Middle Ordovician faunas. Journal of the Faculty of Science, the Imperial University of Tokyo, Section 2 3(8):335-519

Belongs to Pygmaeoconus according to P. J. Wagner 2023

See also Kobayashi 1934

Sister taxa: Pygmaeoconus compressus, Pygmaeoconus conoideus, Pygmaeoconus gnomicus, Pygmaeoconus hampakuensis, Pygmaeoconus krafti, Pygmaeoconus porrectus

Ecology: epifaunal grazer

Distribution: found only at Hyesan (=Keizan-son) (Ordovician of North Korea)

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Specimen images are retrieved through the ePANDDA API.