Fukui Prefectural Dinosaur Museum

The establishment of the Fukui Prefectural Dinosaur Museum traces back to a pivotal discovery in 1982, when a nearly complete fossil skeleton of a Mesozoic crocodilian was found on a cliff along the left bank of the Sugiyama River in Kitadani-chō, Katsuyama City. This find prompted the Fukui Prefectural Museum (the predecessor institution) to conduct a preliminary survey in 1988, during which teeth of a carnivorous dinosaur were recovered. Building on these results, the First Fukui Prefecture Dinosaur Fossil Survey Project was launched in 1989 as a five-year plan, followed by a second five-year project from 1995 to 1999. These excavations yielded a large quantity of vertebrate fossils — teeth, bones, and footprints of dinosaurs among other organisms — constituting the majority of all dinosaur fossils discovered in Japan at the time. The quality of the finds was equally notable: Japan's first complete dinosaur continuous trackway and the nation's first complete carnivorous-dinosaur claw were among the discoveries.

Recognizing the scientific, educational, and regional-development potential of these resources, the Fukui Prefectural Government decided to establish a dedicated paleontological museum. The natural-history division of the existing Fukui Prefectural Museum was separated out, and the planning commission for the new museum was formed in 1995. Construction began in July 1998, and the museum was completed in June 2000, opening to the public on July 14, 2000.

The museum building was designed by the renowned Japanese architect Kisho Kurokawa (1934–2007), reflecting his philosophies of symbiosis and abstract symbolism. The main structure takes the form of a large silver-colored rotated ellipsoid dome, evoking the shape of a giant egg partially embedded in the landscape of Nagaoyama Park (also called Katsuyama Dinosaur Forest Park). The original building is steel and reinforced-concrete construction, comprising one basement level and three above-ground stories, with a building area of 8,792 square meters and a total floor area of approximately 15,000 square meters. Visitors enter by descending a long escalator from ground level through a dramatic transition that opens into the cavernous, pillar-free exhibition hall — a design intended to evoke the sense of entering a subterranean world of deep geological time.

In 2023, the museum underwent a large-scale renovation and expansion under the theme "REBORN," reopening on July 14, 2023 — the museum's 23rd anniversary. A new annex (referred to as the "Small Egg") designed by Kisho Kurokawa architect & associates was added, bringing the total floor area to approximately 23,600 square meters (main building 16,400 m² plus annex 7,200 m²). The annex houses new interactive facilities including a Dino Theater with three large projection screens, a hands-on Fossil Research Training program, and enhanced visitor amenities. The site area is approximately 38,000 square meters.

The museum won the 10th Public Architecture Award (Prize for Excellent Work) in 2006, recognizing the architectural achievement of the original building.

The permanent exhibition occupies 4,500 square meters and is divided into three thematic zones. The "Dinosaur World" zone is the centerpiece, featuring over 50 mounted dinosaur skeletons — including specimens from Japan, China, Mongolia, North America, and elsewhere — alongside life-sized animatronic dinosaur models that produce realistic motion and sound. The "Earth Sciences" zone covers geological phenomena including minerals, rocks, volcanic activity, and plate tectonics. The "History of Life" zone traces the evolution of organisms from the Precambrian to the present, with displays of invertebrate, plant, and vertebrate fossils illustrating major evolutionary transitions.

An additional special-exhibition hall of 900 square meters is used for temporary and thematic exhibitions. The museum's total collection comprises approximately 41,000 items, and more than 1,000 specimens are on permanent display at any given time. Notable exhibits include a Tyrannosaurus rex skull specimen known as "Black Beauty" and the holotype specimens of dinosaurs discovered in Fukui Prefecture.

The museum also operates a free multilingual guide application available in Japanese, English, Chinese (simplified and traditional), and Korean.

As of 2023, six new dinosaur species have been formally described from fossils recovered at the Kitadani Dinosaur Quarry in Katsuyama City, all bearing names referencing Fukui or the local area:

Fukuiraptor kitadaniensis (Azuma & Currie, 2000) — A megaraptoran theropod approximately 4.2 meters long, the first carnivorous dinosaur to receive a scientific name in Japan. Characterized by relatively long hands and large, thin hand claws.

Fukuisaurus tetoriensis (Kobayashi & Azuma, 2003) — An iguanodontian ornithopod described from well-preserved skull material. Unique in lacking lateral movement in the upper jaws, distinguishing it from related Asian iguanodontians.

Fukuititan nipponensis (Azuma & Shibata, 2010) — A titanosauriform sauropod, the first sauropod dinosaur formally named from Japan. Known from incomplete material recovered during the third excavation campaign in 2007.

Koshisaurus katsuyama (Shibata & Azuma, 2015) — A basal iguanodontian described from a juvenile individual, demonstrating the coexistence of at least two iguanodontian species in the Early Cretaceous of Fukui.

Fukuivenator paradoxus (Azuma et al., 2016) — A small maniraptoriform theropod weighing approximately 25 kilograms, preserving about 70 percent of the skeleton. Its unserrated conical teeth suggest an omnivorous diet, and CT analysis of its inner ears indicates relatively well-developed spatial perception and hearing.

Tyrannomimus fukuiensis (Hattori et al., 2023) — An ornithomimosaur recovered as the earliest definitive member of Deinocheiridae, described from braincase elements and postcranial fragments. Published in Scientific Reports in September 2023.

In addition to dinosaurs, the primitive bird Fukuipteryx prima was described in 2019 (Imai et al., Communications Biology) from the same formation — the first non-ornithothoracine bird fossil found outside northeastern China, preserved in three dimensions.

All new species from Fukui derive from the Kitadani Formation of the Tetori Group, a Lower Cretaceous (Aptian, approximately 120 million years ago) sequence of non-marine siliciclastic sediments exposed along the Sugiyama River valley. During the Early Cretaceous, the Japanese archipelago was connected to the Asian mainland, and the area represented a meandering river zone on the eastern margin of the continent. The presence of a bonebed — a concentrated layer of vertebrate bone fossils — within the formation, combined with excellent cliff exposures accessible along the river, has facilitated systematic excavation. Major excavation campaigns have been conducted continuously for over 35 years, led by researchers affiliated with the museum. In 2017, the five dinosaur species known at that time and the excavation site were designated as a National Natural Monument — the first such designation for dinosaur fossils in Japan.

Other fossils from the Kitadani Formation include crocodilians, chelonians (including early Chinese softshell turtles), mammals, bivalves, multiple cockroach species, and abundant plant material, collectively painting a rich picture of the Early Cretaceous paleoenvironment.

The FPDM functions not only as a public museum but also as an active research institution. It publishes the peer-reviewed journal "Memoir of the Fukui Prefectural Dinosaur Museum" (indexed in Scopus), which accepts original articles on paleontology, geoscience, and related fields. The museum maintains international research partnerships through sister-museum agreements with institutions including the Royal Tyrrell Museum of Palaeontology (Canada, signed November 2000), the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP, China, signed March 2001), the Zhejiang Museum of Natural History (China, 2004), the Zigong Dinosaur Museum (China, 2008), the Carnegie Museum of Natural History (USA, 2010), the Museum of the Rockies at Montana State University (USA, 2011), and the Sirindhorn Museum (Thailand, 2014).

Researchers at the museum, in collaboration with Fukui Prefectural University, have pioneered the application of "digital paleontology" in Japan — utilizing industrial computed tomography (CT) scanners, including the high-energy synchrotron radiation CT at the SPring-8 facility, for nondestructive analysis of internal fossil structures. This approach enabled the determination that the known Fukuiraptor individual was approximately 4 years old at death (based on growth-line analysis) and was instrumental in the description of Fukuipteryx prima, whose fossilized bones were encased in rock that could not be mechanically prepared.

In April 2025, Fukui Prefectural University established the Faculty of Dinosaur Paleontology (恐竜学部) — the first undergraduate program in Japan dedicated specifically to dinosaur research. With an initial enrollment quota of 30 students, the faculty is closely integrated with the museum, allowing students to gain practical research experience at the Kitadani excavation site and in museum laboratories. The initiative reflects both the strategic importance of paleontology to Fukui Prefecture's identity and a broader effort to reinvigorate geology as an academic discipline in Japan.

Upon opening in 2000, the museum attracted approximately 250,000 visitors in its first partial year. Visitor numbers grew steadily, surpassing 1 million cumulative visitors in May 2002 and reaching annual attendance approaching 930,000 by 2015. Cumulative attendance milestones include 5 million (March 2013), 10 million (March 2019), 13 million (January 2024), 14 million (October 2024), and 15 million (August 2025). In fiscal year 2024, the museum set a record with over 1.26 million annual visitors — a long-cherished goal since its founding.

The museum's cultural impact extends beyond its exhibitions. Katsuyama City and the wider Fukui Prefecture have embraced a "Dinosaur Kingdom" identity, with dinosaur-themed infrastructure including life-sized dinosaur statues at JR Fukui Station, dinosaur motifs on the Hokuriku Shinkansen (extended to Tsuruga in March 2024), and dinosaur-themed promotional campaigns. The Fukui Prefecture Zone at Expo 2025 Osaka was supervised by the museum and featured a life-size Fukuiraptor replica and VR experiences.

The FPDM is widely cited in Japan and internationally as one of the "world's three great dinosaur museums" (世界三大恐竜博物館), alongside the Royal Tyrrell Museum of Palaeontology in Drumheller, Alberta, Canada, and the Zigong Dinosaur Museum in Zigong, Sichuan, China. This designation, while informal and not based on any official ranking body, reflects the scale of its exhibitions, the quality of its fossil collections, and its role in active paleontological research. The museum formalized its relationship with the Royal Tyrrell Museum through a sister-museum agreement signed on November 23, 2000, just months after opening, and with the Zigong Dinosaur Museum in March 2008.