Traits Taxon list
- Costisorthis lisae GarcĂa-Alcalde, 2018 †
- Isorthis festiva Philip, 1962 †
- Isorthis szajnochai Kozlowski, 1929 †
- Protocortezorthis fornicatimcurvata (Fuchs, 1919) †
- Protocortezorthis windmillensis Johnson & Talent, 1967 †
- Tyersella afra Drot, 1975 †
- Tyersella akkaensis Drot, 1975 †
- Tyersella jubar Johnson, Boucot & Murphy, 1973 †
- Tyersella typica Philip, 1962 †
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