In Photos: Meet 'Kamuysaurus,' Japan's largest fossilized dinosaur

Hokkaido University professor Yoshitsugu Kobayashi, left, and Yoshiyuki Takenaka, the mayor of the Hokkaido town of Mukawa, pose with a replica of the fossilized skeleton of newly named dinosaur "Kamuysaurus japonicus" at the National Museum of Nature and Science in Tokyo's Taito Ward on Sept. 4, 2019. (Mainichi/Etsuko Nagayama)

Hokkaido University professor Yoshitsugu Kobayashi, left, and Yoshiyuki Takenaka, the mayor of the Hokkaido town of Mukawa, pose with a replica of the fossilized skeleton of newly named dinosaur "Kamuysaurus japonicus" at the National Museum of Nature and Science in Tokyo's Taito Ward on Sept. 4, 2019. (Mainichi/Etsuko Nagayama)

Hokkaido University professor Yoshitsugu Kobayashi, left, and Yoshiyuki Takenaka, the mayor of the Hokkaido town of Mukawa, smile beside the fossilized skeleton (foreground) and a replica of the newly named dinosaur "Kamuysaurus japonicus" at the National Museum of Nature and Science in Tokyo's Taito Ward, on Sept. 4, 2019. (Mainichi/Etsuko Nagayama)

Hokkaido University professor Yoshitsugu Kobayashi, left, and Yoshiyuki Takenaka, the mayor of the Hokkaido town of Mukawa, raise their hands beside the fossilized skeleton (foreground) and a replica of newly named dinosaur "Kamuysaurus japonicus" at the National Museum of Nature and Science in Tokyo's Taito Ward on Sept. 4, 2019. (Mainichi/Etsuko Nagayama)

The fossilized dinosaur skeleton unearthed in the Hokkaido town of Mukawa in 2003 is seen. The dinosaur was later named "Kamuysaurus japonicus." (Photo courtesy of the Mukawa Town Government)