| Ludwigia Temporal range:
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|---|---|
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| Ludwigia murchisonae, Mid Jurassic, Germany | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Family: | †Graphoceratidae |
| Subfamily: | †Graphoceratinae |
| Genus: | †Ludwigia Bayle, 1878 |
| Species | |
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Ludwigia is an extinct genus of ammonites in the family Graphoceratidae, which lived during the Middle Jurassic.[1]
- ^ a b Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2014-05-28.