Kitadani Dinosaur Quarry (middle, BB IV) (Cretaceous of Japan)

Also known as Bonebed IV, Katsuyama

Where: Fukui, Japan (36.1° N, 136.6° E: paleocoordinates 47.8° N, 137.1° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Kitadani Formation (Tetori Group), Aptian (125.0 - 113.0 Ma)

• Akaiwa Subgroup, between bonebeds I and II

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; black sandstone

• This lenticular horizon has a limited exposure of approximately four square-meters in the quarry

•

•poorly sorted black sandstone with plant fragments, gastropods, bivalves, and calcareous nodules

Size class: macrofossils

Primary reference: M. Shibata and Y. Azuma. 2015. New basal hadrosauroid (Dinosauria: Ornithopoda) from the Lower Cretaceous Kitadani Formation, Fukui, central Japan. Zootaxa 3914(4):421-440 [P. Mannion/J. Tennant/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 166065: authorized by Philip Mannion, entered by Jonathan Tennant on 03.02.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Ornithischia -
Koshisaurus katsuyama n. gen. n. sp.
Koshisaurus katsuyama n. gen. n. sp. Shibata and Azuma 2015 ornithopod
FPDM-V9079, a right maxilla (holotype); other elements include the neural arch of the axis (FPDM-V9078), one centrum of the caudal-most dorsal vertebra (FPDM-V9081), proximal portion of left pubis (FPDM-V9080), and distal part of left femur (FPDM-V9077)