Where: Hyogo, Japan (34.2° N, 134.8° E: paleocoordinates 42.2° N, 123.5° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Pachydiscus subcompressus ammonoid zone, Shimonada Formation, Early/Lower Maastrichtian (70.6 - 66.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified, fine-grained, sandy, calcareous siltstone
Size class: macrofossils
Preservation: mold/impression
Collected by Y. Maeda
• Repository: Department of Geology, Kyushu University
Primary reference: Y. Morozumi. 1985. Late Cretaceous (Campanian and Maastrichtian) ammonites from Awaji Island, southwest Japan. Bulletin of the Osaka Museum of Natural History 39:1-58 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 176813: authorized by Matthew Clapham, entered by Matthew Clapham on 03.03.2016, edited by Paul Scofield
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Hypophylloceras (Neophylloceras) hetonaiense Matsumoto 1942 ammonite | |
Saghalinites sp., "Vertebrites cf. kayei" = Gaudryceras kayei, Zelandites cf. varuna, Anagaudryceras matsumotoi n. sp.
Saghalinites sp. Wright and Matsumoto 1954 ammonite
"Vertebrites cf. kayei" = Gaudryceras kayei Forbes 1846 ammonite
Zelandites cf. varuna Forbes 1846 ammonite
Anagaudryceras matsumotoi n. sp. Morozumi 1985 ammonite |