Sowerby, G. B. II. (1849). Monograph of the genus Triomphalia. In G. B. Sowerby II (ed.), Thesaurus conchyliorum, or monographs of genera of shells. Vol. 2 (10): 500-503, pl. 106. London, privately published.
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Sowerby, G. B. II
1849
Monograph of the genus <i>Triomphalia</i>. In G. B. Sowerby II (ed.), <i>Thesaurus conchyliorum, or monographs of genera of shells</i>. Vol. 2 (10): 500-503, pl. 106. London, privately published.