IRMNG Taxon list
- Hippocrepina cylindrica Höglund, 1947
- Hippocrepina indivisa Parker, 1870
- Hippocrepina oblonga Pearcey, 1900
- Hippocrepina oviformis Heron-Allen & Earland, 1915
- Hippocrepina pusilla Heron-Allen & Earland, 1930
- Jaculella acuta Brady, 1879
- Jaculella neumerellensis Chapman, 1926
- Jaculella obtusa Brady, 1882
- Siphonammina bertholdii Geslin, Heinz & Hemleben, 2004
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