World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Ancilla ordinaria E. A. Smith, 1906. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=448011 on 2026-08-29
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Reeve, L. A. (1864). Monograph of the genus Ancillaria. In: Conchologia Iconica, or, illustrations of the shells of molluscous animals, vol. 15, pl. 1-12 and unpaginated text. L. Reeve & Co., London. [stated date: pl. 1-12, November 1864].
Thiele, J. (1925). Gastropoden der Deutschen Tiefsee-Expedition. II Teil. Wissenschaftliche Ergebnisse der Deutschen Tiefsee-Expedition auf dem Dampfer "Valdivia" 1898-1899. 17(2): 35-382, pls 13-46 [reprints paginated 1–348, pls 1–34].