The Rhizodontid " Rhizodus " is estimated to have grown to, making it the largest freshwater fish known.
2.
An 1876 publication, " Catalogue of the western Scottish fossils ", documented finds in Barkip's coal and ironstone pits and sandstone quarries, including that of " Rhizodus ", " Gyracanthus ", and " Cladodus ".
3.
"' Rhizodonts "'( order Rhizodontida ) are an extinct group of predatory tetrapodomorph fishes known from many areas of the world from the Givetian through to the Rhizodus hibberti " from Europe and North America, was an estimated 7 m in length, making it the largest freshwater fish known.
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