IRMNG Taxon list
- Hippocrepinella acuta (Höglund, 1947) accepted as Bathysiphon acuta (Höglund, 1947)
- Hippocrepinella alba Heron-Allen & Earland, 1932 accepted as Bathysiphon alba (Heron-Allen & Earland, 1932)
- Hippocrepinella ampulacea Rhumbler, 1935 accepted as Bathysiphon alba (Heron-Allen & Earland, 1932)
- Hippocrepinella ampullacea Rhumbler, 1935
- Hippocrepinella flexibilis (Wiesner, 1931)
- Hippocrepinella hirudinea Heron-Allen & Earland, 1932 accepted as Bathysiphon hirudinea (Heron-Allen & Earland, 1932)
- Hippocrepinella remanei Rhumbler, 1935
- Hippocrepinella virgulata Rhumbler, 1935 accepted as Bathysiphon virgulata (Rhumbler, 1935)
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