This list of the Cenozoic life of Maryland contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Maryland and are between 66 million and 10,000 years of age.
Illustration in multiple views of a fossilized skull of the Pleistocene Canis armbrusteri, or Armbruster's wolf †Canis armbrusteri – type locality for species
Diagram illustrating the largest (grey) and most conservative (red) size estimates of the Miocene-Pliocene shark Carcharocles megalodon (sometimes Carcharodon or Otodusmegalodon) with a whale shark (violet), great white shark (green), and anachronistic human (black) to scale †Otodus megalodon