Hayashidani tracksite: Barremian, Japan
collected by K. Jochi 1989

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Iguanodontipodidae
Shiraminesauropus hayashidaniensis n. sp. Azuma and Takeyama 1991
Azuma and Takeyama 1991 1 specimen
nomen dubium belonging to Iguanodontipodidae
FPMN 900881 (= FPDM-F-173)
Amblydactylus sp. Sternberg 1932
Tsukiji et al. 2019 1 specimen
OMFJ F-2
Bivalvia - Cardiida - Corbiculidae
Tetoria sp.
Azuma et al. 1992
Bivalvia - Cardiida - Neomiodontidae
Myrene sp.
Azuma et al. 1992
Bivalvia - Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758
Azuma et al. 1992
see common names

Geography
Country:Japan State/province:Fukui
Coordinates: 35.9° North, 136.8° East (view map)
Paleocoordinates:46.3° North, 138.4° East
Basis of coordinate:stated in text
Altitude:52 meters
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Stage:Barremian 10 m.y. bin:Cretaceous 2
*Period:Early/Lower Cretaceous *Epoch:Early/Lower Neocomian - Middle Gallic
*International age/stage:Early/Lower Berriasian - Late/Upper Albian
Key time interval:Barremian
Age range of interval:125.77000 - 121.40000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Tetori Formation:Itsuki
Stratigraphic resolution:group of beds
Stratigraphy comments: = Izumi Fm.
Lithology and environment
Primary lithology: "shale"
Secondary lithology: sandstone
Includes fossils?Y
Lithology description: Conglomeratic sandstone, coarse- to fine-grained sandstone, and shale.
Environment:lacustrine indet.
Geology comments: described as marginal lacustrine
Taphonomy
Modes of preservation:trace
Size of fossils:macrofossils
Temporal resolution:snapshot
Collection methods and comments
Collection excludes:some macrofossils,species names
Collection methods:surface (in situ),field collection
Collection size:2 specimens
Reason for describing collection:taxonomic analysis
Collectors:K. Jochi Collection dates:1989
Collection method comments: only refers to footprints; no other info given
Metadata
Also known as:Izumi, Kuzuryu
Database number:24806
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2002-08-20 13:18:19 Last modified:2022-08-22 15:23:18
Access level:the public Released:2002-08-20 13:18:19
Creative Commons license:CC BY
Reference information

Primary reference:
60380. K.-i. Takeyama, S. Hayashi, and Y. Azumi. 1990. [Dinosaur footprints from Izumi, Fukui Prefecture]. 97th Annual Meeting of the Geological Society of Japan 97:148 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

69575% 16700Y. Azuma, T. Sugimori, K. Yamada, T. Kojima, and K.-i. Takeyama. 1992. Two dinosaur footprints from the Tetori Group of Izumi Village, Fukui Prefecture, central Japan. Bulletin of the Japan Sea Research Institute, Kanazawa University, Kanazawa 24:19-33 [M. Carrano/M. Carrano/M. Carrano]
36936ETE Y. Azuma and K.-i. Takeyama. 1991. Dinosaur footprints from the Tetori Group, central Japan—research of dinosaurs from the Tetori Group (4). Bulletin of the Fukui Prefectural Museum 4:33-51 [M. Carrano/M. Carrano/M. Carrano]
36939 Y. Azuma, K.-i. Takeyama, N. Kondo, I. Yamaguchi, K. Jochi and S. Hayashi. 1991. [Occurrence and stratigraphical horizons of the dinosaur footprints from the Tetori Group, central Japan—research of dinosaurs from the Tetori Group (3)]. Bulletin of the Fukui Prefectural Museum 4:15-29 [M. Carrano/M. Carrano]
54268 Y. Azuma and Y. Tomida. 1995. Early Cretaceous dinosaur fauna of the Tetori Group in Japan. In A. Sun, Y. Wang (eds.), Sixth Symposium on Mesozoic Terrestrial Ecosystems and Biota, Short Papers 125-131 [M. Carrano/M. Carrano/P. Wagner]
54277 Y. Azuma and Y. Tomida. 1997. Japanese dinosaurs. In P. J. Currie, K. Padian (eds.), Encyclopedia of Dinosaurs 375-379 [M. Carrano/M. Carrano/P. Wagner]
29362ETE M. Fujita. 2008. Dinosaur tracks from the Tetori Group. International Dinosaur Symposium in Fukui 2008: Recent Progress of the Study on Asian Dinosaurs and Paleoenvironments. Fukui Prefectural Dinosaur Museum, Fukui 33-36 [M. Carrano/M. Carrano]
10132 M. J. Fujita. 2003. Geological age and correlation of the vertebrate-bearing horizons in the Tetori Group. Memoir of the Fukui Prefectural Dinosaur Museum 2:3-14 [M. Carrano/M. Carrano/M. Carrano]
16852ETE M. Matsukawa, M. G. Lockley, and J. Li. 2006. Cretaceous terrestrial biotas of East Asia, with special reference to dinosaur-dominated ichnofaunas: towards a synthesis. Cretaceous Research 27(1):3-21 [M. Carrano/M. Carrano]
54260 M. Matsukawa and I. Obata. 1994. Dinosaurs and sedimentary environments in the Japanese Cretaceous: a contribution to dinosaur facies in Asia based on molluscan palaeontology and stratigraphy. Cretaceous Research 15(1):101-125 [M. Carrano/M. Carrano]
29448ETE M. Matsukawa, K. Shibata, R. Kukihara, K. Koarai, and M. G. Lockley. 2005. Review of Japanese dinosaur track localities: implications for ichnotaxonomy, paleogeography and stratigraphic correlation. Ichnos 12(3):201-222 [M. Carrano/M. Carrano]
82449 Y. Tsukiji, Y. Sakai, and Y. Azuma. 2019. Ichnotaxonomic revision of dinosaur tracks from the Lower Cretaceous Tetori Group, Japan. Memoir of the Fukui Prefectural Dinosaur Museum 18:1-20 [M. Carrano/M. Carrano]