Hayashidani tracksite (Cretaceous of Japan)

Also known as Izumi

Where: Fukui, Japan (35.9° N, 136.8° E: paleocoordinates 45.5° N, 138.6° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Izuki Formation (Tetori Group), Hauterivian (132.9 - 129.4 Ma)

• = Itsuki Fm.

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine; shale and sandstone

• described as marginal lacustrine
• Conglomeratic sandstone, coarse- to fine-grained sandstone, and shale.

Size class: macrofossils

Preservation: trace

Collected by K. Jochi in 1989

Collection methods: surface (in situ),

• only refers to footprints; no other info given

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 24806: authorized by Matthew Carrano, entered by Matthew Carrano on 20.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Ostreidae
Ostrea sp.1 Linnaeus 1758 oyster
 Cardiida - Neomiodontidae
 Cardiida - Corbiculidae
Reptilia
 Saurischia -
Itsukisauropus izumiensis n. gen. n. sp.2
Itsukisauropus izumiensis n. gen. n. sp.2 Azuma and Takeyama 1991 theropod
FPMN 900891
 Neornithischia -
Ornithopoda indet.2 bird foot dinosaur
FIBEV001 ("Itsuki specimen B")
 Neornithischia - Iguanodontipodidae
Shiraminesauropus hayashidaniensis n. sp.2 Azuma and Takeyama 1991 bird foot dinosaur
FPMN 900881