Named By: Fritsch - 1879.
Classification: Chordata, Synapsida, Pelycosauria, Sphenacodontidae.
Species: M. schwartzenbergii (type).
Known locations: Germany.
Time period: Carboniferous.
Fossil representation: Partial remains.
Macromerion is a genus of sphenacodont pelycosaur that lived in Europe during the Carboniferous.
- Lower Permian pelycosaurs from the English midlands. - Paleontology 17 (3): 541-552. - R. L. Paton - 1974.