Malefica fossil map
Where fossils of Malefica have been found, shown on the Earth as it looked about 75 million years ago and on today’s map.
Dots are fossil collections recorded in the Paleobiology Database. The “then” view moves today’s fossil sites back to their positions 75 million years ago (the time slice nearest the median age of the fossils) using the Merdith et al. (2021) plate model; positions are approximate. Open on the timeline map →

| Group | Iguanodonts & duck-bills |
|---|---|
| Lived | 83.6–72.2 million years ago (Campanian) |
| Periods | Cretaceous |
| Family | Hadrosauridae |
| Named by | Prieto-Márquez and Wagner 2023 |
| Fossil records | 1 occurrences at 1 locations (PBDB) |
| Found in | United States |
| Rock formations | Aguja |
About Malefica
Malefica (meaning "witch" or "sorceress") is a genus of hadrosaurid dinosaur from the Late Cretaceous (Campanian) Aguja Formation of Texas, United States. The type and only species is Malefica deckerti.
Text in “About” is quoted from the Wikipedia article Malefica (revision 1371382479), licensed under CC BY-SA 4.0; introduction excerpted verbatim, formatting removed. Ages, family, authority and fossil records: Paleobiology Database, accessed 23 October 2026. Ages are those of the rock layers the fossils were found in. Wikidata: Q115152776.