1. Species Spiraxis (Pseudosubulina) arcuatus H. B. Baker, 1939 accepted as Pseudosubulina arcuata (H. B. Baker, 1939) (unaccepted > superseded combination)
2. Species Spiraxis (Pseudosubulina) berendti (L. Pfeiffer, 1862) accepted as Pseudosubulina berendti (L. Pfeiffer, 1862) (unaccepted > superseded combination)
3. Species Spiraxis (Pseudosubulina) caducus H. B. Baker, 1939 accepted as Pseudosubulina caduca (H. B. Baker, 1939) (unaccepted > superseded combination)
4. Species Spiraxis (Pseudosubulina) costatus H. B. Baker, 1939 accepted as Pseudosubulina costata (H. B. Baker, 1939) (unaccepted > superseded combination)
5. Species Spiraxis (Pseudosubulina) irregularis (Pilsbry, 1907) accepted as Pseudosubulina irregularis Pilsbry, 1907 (unaccepted > superseded combination)
6. Species Spiraxis (Pseudosubulina) parvus H. B. Baker, 1939 accepted as Pseudosubulina parva (H. B. Baker, 1939) (unaccepted > superseded combination)
7. Species Spiraxis (Pseudosubulina) splendens F. G. Thompson, 1959 accepted as Pseudosubulina splendens (F. G. Thompson, 1959) (unaccepted > superseded combination)
8. Species Spiraxis (Pseudosubulina) ventrosus H. B. Baker, 1939 accepted as Pseudosubulina ventrosa (H. B. Baker, 1939) (unaccepted > superseded combination)

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