MolluscaBase source details
Lochman C., Duncan D.C. (1944). Early Upper Cambrian faunas of central Montana. Geological Society America Bulletin. 54: 461-477.
476749
Lochman C., Duncan D.C.
1944
Early Upper Cambrian faunas of central Montana
Geological Society America Bulletin
54: 461-477
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Hypseloconus simplex Lochman, 1944 † (original description)