: A very recent reassessment by Kenshu Shimada et al., published on PMC , suggests O. megalodon may have been slimmer and longer than previously thought, potentially reaching up to 24 meters.
: The Omegalodon Fandom Wiki contains community-sourced data on game lore and units. Scientific Papers: Otodus megalodon
: This paper in Science Advances uses nitrogen isotopes to show that Megalodon occupied an incredibly high trophic level, higher than any modern marine predator.
: For a broad overview, the MDPI Review of Neogene Sharks summarizes the current "state of the art" regarding the shark's biology and extinction.
Since "Omegalodon" can refer to a few different things—most notably a specific indie video game or the prehistoric shark Otodus megalodon —I've pulled resources for both.
If you are looking for information on the third-person action game where a giant shark-monster destroys a city, these sources cover gameplay and reviews: