Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Medionidus
1 available nominal species synonym
Medionidus simpsonianus — Graf & Cummings (2007), Anonymous (2008), Bogan (2010), Cummings & Graf (2010), Williams et al. (2011), ... Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
Endemic to the Ochlockonee Basin, eastern Gulf Coastal Plain, Florida and Georgia.

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There are no georeferenced Genbank vouchers for this species in the MUSSELpdb.