Todana, Taro-mura (Cretaceous of Japan)

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

• shallow open-marine setting with abundant fossils (corals, rudists, molluscs, calcareous algae, foraminifers); small coral-rudist buildups may have existed (reef 1216)

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

Show authors, comments, and common names
Anthozoa
 Scleractinia - Heterocoeniidae
Latusastrea sp.
Latusastrea sp. d'Orbigny 1850 stony coral
 Scleractinia - Haplaraeidae
? Meandraraea sp.
? Meandraraea sp. Etallon 1859 stony coral
 Scleractinia - Dermosmiliidae
Dermosmilia trichotoma
Dermosmilia trichotoma Eguchi 1951 stony coral
 Scleractinia - Amphiastreidae
Amphiastrea regularis
 Scleractinia - Latomeandridae
Ovalastrea sp.
Ovalastrea sp. d'Orbigny 1849 stony coral
 Scleractinia - Montlivaltiidae
? Montlivaltia todanaensis n. sp.
? Montlivaltia todanaensis n. sp. Eguchi 1951 stony coral
 Scleractinia - Eugyridae
Eugyra cf. cotteaui
Eugyra cf. cotteaui Fromentel 1857 stony coral
 Scleractinia - Mussidae
Nefocoenia cf. favosites
Nefocoenia cf. favosites Oppenheim 1930 stony coral
 Scleractinia - Stylinidae
"? Thigmastrea shimoheiensis n. sp." = Silingastraea shimoheiensis
"? Thigmastrea shimoheiensis n. sp." = Silingastraea shimoheiensis Eguchi 1951 stony coral
 Scleractinia - Cyathophoridae
"Miyakopora miyakoensis" = Cryptocoenia miyakoensis
"Miyakopora miyakoensis" = Cryptocoenia miyakoensis Eguchi 1936 stony coral