Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Name | Novelty | Status | Authors | Location | Notes |
| --- | --- | --- | --- | --- | --- |
| Alocodon | Gen et sp nov | Valid | Thulborn | Portugal | n Ornithischia of uncertain placement |
| Efraasia | gen nov | Valid | Galton | Germany | basal sauropodomorph |
| Kelmayisaurus | gen et sp nov | Valid | Zhiming | China | carcharodontosaurid |
| Phaedrolosaurus | gen et sp nov | nomen dubium | Zhiming | China | described from a single tooth |
| Phyllodon | Gen et sp nov | Valid | Thulborn | Portugal | possible Hypsilophodontid |
| Shantungosaurus | gen et sp nov | Valid | Hu | China | largest known ornithischian |
| Trimucrodon | Gen et sp nov | nomen dubium | Thulborn | Portugal | n Ornithischia of uncertain placement |
| Tugulusaurus | gen et sp nov | Valid | Zhiming | China | n coelurosauria |
| Wuerhosaurus | gen et sp nov | Valid | Zhiming | China | one of the last s stegosaurian |
Question:
What are the Notes of the dinosaur, whose Status is nomen dubium, and whose Location is China?
Answer:
described from a single tooth