Where: Iwate, Japan (39.7° N, 142.0° E: paleocoordinates 52.9° N, 141.1° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Hiraiga Sandstone Formation (Miyako Group), Late/Upper Aptian (122.5 - 113.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: perireef or subreef; lithified, calcareous sandstone
Size class: macrofossils
Primary reference: M. Eguchi. 1951. Mesozoic hexacorals from Japan. The Science Reports of the Tohoku University, Geology 24:1-96 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 91326: authorized by Wolfgang Kiessling, entered by Uta Merkel on 15.09.2009, edited by Wolfgang Kiessling
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
? Montlivaltia todanaensis n. sp.
? Montlivaltia todanaensis n. sp. Eguchi 1951 stony coral | |
Nefocoenia cf. favosites Oppenheim 1930 stony coral | |
Eugyra cf. cotteaui Fromentel 1857 stony coral | |
"Miyakopora miyakoensis" = Cryptocoenia miyakoensis
"Miyakopora miyakoensis" = Cryptocoenia miyakoensis Eguchi 1936 stony coral | |
"? Thigmastrea shimoheiensis n. sp." = Silingastraea shimoheiensis
"? Thigmastrea shimoheiensis n. sp." = Silingastraea shimoheiensis Eguchi 1951 stony coral | |
Dermosmilia trichotoma Eguchi 1951 stony coral | |
? Meandraraea sp. Etallon 1859 stony coral | |
Ovalastrea sp. d'Orbigny 1849 stony coral | |
Latusastrea sp. d'Orbigny 1850 stony coral | |
Amphiastrea regularis stony coral |