Amagimi dam, pterosaur (Cretaceous to of Japan)

Where: Kumamoto, Japan (32.8° N, 130.9° E: paleocoordinates 44.4° N, 123.6° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: "Upper" Formation (Mifune Group), Late/Upper Cenomanian to Late/Upper Cenomanian (99.6 - 89.3 Ma)

• "Upper" Formation dated primarily on the indirect basis of biostratigraphic ages for overlying and underlying formations

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; coarse-grained, muddy sandstone

• "coarse sandstone bed, about 30 cm thick and with muddy patches"

Size class: macrofossils

Collected in 1996

Collection methods: quarrying,

• MDM: Mifune Dinosaur Museum

Primary reference: N. Ikegami, A. W. A. Kellner, and Y. Tomida. 2000. The presence of an azhdarchid pterosaur in the Cretaceous of Japan. Paleontological Research 4(3):165-170 [R. Butler/R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93995: authorized by Richard Butler, entered by Richard Butler on 08.02.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• dinosaurs, crocodiles, turtles, fishes and mammals are reported to be known from the same locality and/or other sites from the same horizon, but no details are given.
Reptilia
 Pterosauria - Azhdarchidae
Azhdarchidae indet. pterosaur
MDM 349, cervical vertebra