Data from: Anisian (Middle Triassic) ammonoids from British Columbia (Canada): biochronological and palaeobiogeographic implications

Cheng Ji & Hugo Bucher
New Anisian (Middle Triassic) ammonoids are reported from British Columbia (BC), Canada. Eight species are reported, including one new genus and two new species: Eufrechites roopnarini gen. et sp. nov. and Parafrechites cordeyi sp. nov. New ammonoid subzones are recognized, leading to improved correlation between BC and Nevada: the Hollandites minor Zone is correlated with the interval intercalated between the Unionvillites hadleyi Subzone and the Pseudodanubites nicholsi Subzone; an Eogymnotoceras thompsoni - Anagymnotoceras spivaki Zone...
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