Ludwigia (ammonite)

Ludwigia is an extinct genus of ammonites in the family Graphoceratidae, which lived during the Middle Jurassic.

Species

 * L. murchisonae Sowerby, 1825, which has an elaborate ribbing and a strong ridge along the dorsal surface of the shell.

Distribution
Fossils of Ludwigia murchisonae are found in the Jurassic marine strata of France, Germany, Hungary, Spain and the United Kingdom.