Kitadani Dinosaur Quarry (lower, BB I) (Cretaceous to of Japan)

Also known as Bonebed I, Katsuyama

Where: Fukui, Japan (36.1° N, 136.5° E: paleocoordinates 47.3° N, 137.6° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Kitadani Formation (Tetori Group), Late/Upper Barremian to Late/Upper Barremian (130.0 - 113.0 Ma)

• Akaiwa Subgroup

• bed-level stratigraphic resolution

Environment/lithology: fluvial; sandstone and shale

• "ancient meandering rivers"
• "alternating beds of thick sandstone and shale interbedded with "tuff" layers."

Size classes: macrofossils, mesofossils

Collected in 1988-1997

Collection methods: quarrying, mechanical,

• excavated by Fukui Prefectural Museum

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 38020: authorized by Matthew Carrano, entered by Matthew Carrano on 31.03.2004, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

 Unionida - Unionidae
Plicatounio sp.1 Kobayashi and Suzuki 1936 freshwater mussel
 Trigoniida - Trigonioididae
Trigonioides sp.1 Kobayashi and Suzuki 1936 clam
Gastropoda indet.8 Cuvier 1797 snail
 Neopterygii -
Amiiformes indet.2 Hay 1929 bowfin
 Testudines - Trionychidae
Trionychidae indet.2 Gray 1825 softshell turtle
FPDM-V9487, V0127, V2761, V6370 and V1836
 Testudines - Nanhsiungchelyidae
Nanhsiungchelyidae indet.5 Yeh 1966 turtle
 Testudines - Sinemydidae
? Sinemydidae indet.2 Yeh 1963 turtle
 Testudines -
Testudinoidea indet.2 Gray 1825 turtle
 Testudines - Adocidae
Adocus sp.2 Cope 1868 turtle
 Saurischia - Brachiosauridae
Brachiosauridae indet.2 Riggs 1904 brachiosaurid
 Theropoda -
 Avetheropoda - Neovenatoridae
Fukuiraptor kitadaniensis n. gen. n. sp.3
Fukuiraptor kitadaniensis n. gen. n. sp.3 Azuma and Currie 2000 allosauroid
MNI; multiple individuals of different ontogenetic stages
 Avetheropoda -
Coelurosauria indet.4 Huene 1914 coelurosaur
Aves indet.4 Linnaeus 1758 bird
 Neornithischia -
Ornithopoda indet.2 bird foot dinosaur
Fukuisaurus tetoriensis n. gen. n. sp.6 Kobayashi and Azuma 2003 bird foot dinosaur
 Loricata - Goniopholididae
Goniopholididae indet.2 Cope 1875 crocodilian
 Eutriconodonta - Triconodontidae
? Triconodontidae indet.7 Marsh 1887 mammal
FPDM-V9172 (fragment of possible right dentary with a damaged molariform crown and roots)
 Multituberculata - Eobaataridae
Eobaataridae indet.7 Kielan-Jaworowska et al. 1987 multituberculate
FPDM-V9171 (left p4 crown)
Plantae indet.4 Haeckel 1866