Oshima Island, Kesennuma (Cretaceous of Japan)

Where: Miyagi, Japan (38.8° N, 141.6° E: paleocoordinates 48.6° N, 143.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Yokonuma Formation (Oshima Group), Late/Upper Hauterivian (136.4 - 130.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

• compact limestone lenses and conglomerates in silt- and sandstones

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 91349: authorized by Wolfgang Kiessling, entered by Uta Merkel on 16.09.2009, edited by Wolfgang Kiessling

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Hexacorallia -
Scleractinia indet. Bourne 1900 stony coral
 Scleractinia - Stylinidae
Enallhelia nipponica Eguchi 1942 stony coral
? Stylina japonica n. sp. Eguchi 1951 stony coral
 Scleractinia - Eugyridae
"Eugyra oshimaensis n. sp." = Pseudomyriophyllia oshimaensis, "Eohydnophora cf. picteti" = Eugyra (Felixigyra) picteti
"Eugyra oshimaensis n. sp." = Pseudomyriophyllia oshimaensis Eguchi 1951 stony coral
"Eohydnophora cf. picteti" = Eugyra (Felixigyra) picteti Koby 1897 stony coral
 Scleractinia - Montlivaltiidae
? Trochosmilia orientalis n. sp. Eguchi 1951 stony coral
Rhabdophyllia oshimaensis n. sp. Eguchi 1951 stony coral
 Scleractinia - Haplaraeidae
"Meandraraea mabutii n. sp." = Meandrophyllia steini, Meandraraea nipponica n. sp.
"Meandraraea mabutii n. sp." = Meandrophyllia steini Felix 1891 stony coral
Meandraraea nipponica n. sp. Eguchi 1951 stony coral
 Scleractinia - Thamnasteriidae
"Centrastrea japonica n. sp." = Thamnasteria japonica
"Centrastrea japonica n. sp." = Thamnasteria japonica Eguchi 1951 stony coral
 Scleractinia - Microsolenidae
Microsolena subexcavata n. sp., "Polyphylloseris (Mastophyllia) japonica n. sp." = Microsolena major, Microsolena japonica n. sp.
Microsolena subexcavata n. sp. Eguchi 1951 stony coral
"Polyphylloseris (Mastophyllia) japonica n. sp." = Microsolena major Ferry 1861 stony coral
Microsolena japonica n. sp. Eguchi 1951 stony coral