Tabulaconus kordeae, n. gen., n. sp., is a coral-like fossil found in the Sekwi Formation, Mackenzie Mountains, District of Mackenzie and the Atan Group, Cassiar Mountains, British Columbia. The species consists of small, conical shells with a layered external wall and abundant tabulae. It is placed in the family Gastroconidae, previously known only from Siberia. Associated Archaeocyatha and Trilobita prove its Early Cambrian age.