Type species: Lepralia vittata MacGillivray, 1869
This genus includes the species:
| Costulostega alisonae | Tilbrook, 2006 | Recent | Solomon Is. |
| Costulostega foramen | (Powell, 1967) | Recent | New Zealand |
| Costulostega vittata | (MacGillivray, 1869) | Recent | Australia |
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| Costulostega vittata |
Reference: Tilbrook, K. J., 2006. Cheilostomatous Bryozoa from the Solomon Islands.
Santa Barbara Museum of Natural History Monographs 4 (Studies in Biodiversity Number 3) 4: 1-386.
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