Reference

Weibo Song, Norbert Wilbert, Z. Chen, X. Shi (2004): Considerations on the systematic position of Uronychia and related euplotids based on the data of ontogeny and 18S rRNA gene sequence analyses, with morphogenetic redescription of Uronychia setigera Calkins, 1902 (Ciliophora: Euplotida) – Acta Protozool. – 43: 313 - 328.