Gulf Spike (Elliptio pullata) from the Conecuh River, Covington County, Alabama - Note the ribbing on the side of the valve.  This is atypical of the species and the genus #unio #mussel #mussels #unionid #unionidae #musselsofinstagram #freshwatermussel #freshwatermusselsofinstagram #freshwatermusselsofalabama #Elliptio #Elliptiopullata #freshwater #river #riverine #riverlife #alabama #malacology #mollusk #mollusca

Gulf Spike (Elliptio pullata) from the Conecuh River, Covington County, Alabama - Note the ribbing on the side of the valve. This is atypical of the species and the genus #unio #mussel #mussels #unionid #unionidae #musselsofinstagram #freshwatermussel #freshwatermusselsofinstagram #freshwatermusselsofalabama #Elliptio #Elliptiopullata #freshwater #river #riverine #riverlife #alabama #malacology #mollusk #mollusca