Where: Iwate, Japan (39.9° N, 141.9° E: paleocoordinates 53.1° N, 140.9° 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 91322: 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 | |
"Centrastrea miyakoensis n. sp." = Thamnasteria miyakoensis
"Centrastrea miyakoensis n. sp." = Thamnasteria miyakoensis Eguchi 1951 stony coral | |
Favia haipensis n. sp.
Favia haipensis n. sp. Eguchi 1951 stony coral | |
"Miyakopora miyakoensis" = Cryptocoenia miyakoensis
"Miyakopora miyakoensis" = Cryptocoenia miyakoensis Eguchi 1936 stony coral | |
Maeandrella haipensis Eguchi 1951 stony coral | |
Dermosmilia miyakoensis n. sp. Eguchi 1951 stony coral
Dermosmilia nagaoi Eguchi 1951 stony coral
Dermosmilia trichotoma Eguchi 1951 stony coral | |
Meandraraea hiraigaensis, "Thamnasteria contorta n. sp." = Meandrophyllia meandroides
Meandraraea hiraigaensis Eguchi 1951 stony coral
"Thamnasteria contorta n. sp." = Meandrophyllia meandroides Koby 1898 stony coral | |
Latusastrea sp. d'Orbigny 1850 stony coral | |
"Montastrea nipponica" = Columnocoenia nipponica
"Montastrea nipponica" = Columnocoenia nipponica Eguchi 1951 stony coral | |
"Heliopora japonica" = Pseudopolytremacis japonica
"Heliopora japonica" = Pseudopolytremacis japonica Eguchi 1948 |