1. Sutures are ammonitic, with digitate lobes and submonophyllic saddles. 2. It has globoid, ornamented conidia with long digitate projections. 3. The mine has the form of an upper surface digitate -blotch mine. 4. The more developed " Gymnites " has deeply digitate ammonitic sutures. 5. Suture elements are simply digitate with digits restricted to the lower half of lobes. 6. The red inflorescences are usually unbranched or digitate . 7. The mine has the form of an elongate or digitate blotch along the midrib. 8. The mine has the form of a digitate blotch under the epidermis of the upper surface. 9. The intertentacular lobes are simple or digitated , separate or united across the front, sometimes obsolete. 10. The mine has the form of a blotch mine or sometimes an upper surface digitate -blotch.