roadcut, Highway 45, Moshi (Cretaceous to of Japan)

Also known as Iwaizumi

Where: Iwate, Japan (39.8° N, 142.0° E: paleocoordinates 53.2° N, 140.6° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Tanohata Formation (Miyako Group), Late/Upper Aptian to Late/Upper Aptian (122.5 - 109.0 Ma)

• unnamed formation correlated with Tanohata Fm.

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified, pebbly, brown, sandy, calcareous conglomerate

• "boulder conglomerate...consists of fairly packed well-rounded gravels of andesitic rock. No stratification is apparent...The boulders are surrounded by round or well rounded cobbles and pebbles, and these are in turn surrounded by poorly sorted sand. The sand matrix is usually brown and badly weathered, in unweathered parts the sand is indurated."

Size classes: macrofossils, mesofossils

Collected in 1978

Collection methods: quarrying, surface (in situ), mechanical,

Primary reference: Y. Hasegwa, M. Manabe, and Y. Azuma. 1986. Dinosaur fossils and tracks in Japan. In D. D. Gillette and M. G. Lockley (eds.), First International Symposium on Dinosaur Tracks and Traces, Abstracts with Program 15 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 50308: authorized by Matthew Carrano, entered by Matthew Carrano on 12.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Eohydonophora aff. picteti1
Reptilia
 Saurischia -
Sauropoda indet.2
Sauropoda indet.2 Marsh 1878 sauropod
NSM PV17656, partial humerus
Bivalvia
 Ostreida - Ostreidae
Lopha nagaoi1
Lopha nagaoi1 oyster
1Hasegawa et al. 1991; 2Matsukawa and Obata 1994