- Microthalestris costata (Pallares, 1982)
- Microthalestris gracilis (Brady, 1910)
- Microthalestris minuta (Pallares, 1982)
- Parastenhelia costata Pallares, 1982 accepted as Microthalestris costata (Pallares, 1982)
- Parastenhelia gracilis Brady, 1910 accepted as Microthalestris gracilis (Brady, 1910)
- Parastenhelia minuta Pallares, 1982 accepted as Microthalestris minuta (Pallares, 1982)
- Parastenhelia tenuis Brady, 1910 accepted as Antarcticobradya tenuis (Brady, 1910)