Where: Fukushima, Japan (37.7° N, 141.0° E: paleocoordinates 45.0° N, 144.4° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Koike Member (Nakanosawa Formation), Oxfordian to Oxfordian (163.5 - 152.1 Ma)
• upper part of the formation
• group of beds-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithified grainstone and lithified lime mudstone
Size class: macrofossils
Primary reference: K. Mori. 1963. Geology and paleontology of the Jurassic Somanakamura Group, Fukushima Prefecture, Japan. The Science Reports of the Tohoku University, Geology 35(1):33-65 [W. Kiessling/U. Merkel/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 85574: authorized by Wolfgang Kiessling, entered by Uta Merkel on 12.01.2009, edited by Wolfgang Kiessling
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Anthozoa | |
Stylina (Convexastrea) somaensis n. sp., "? Latomeandra eguchii n. sp." = Eugyriopsis sinuosa, Enallhelia nipponica, ? Goniocora sp.
Stylina (Convexastrea) somaensis n. sp. stony coral
"? Latomeandra eguchii n. sp." = Eugyriopsis sinuosa Ogilvie 1897 stony coral
? Goniocora sp. Milne-Edwards and Haime 1851 stony coral | |
| |
Acanthogyra sp. Ogilvie 1897 stony coral | |
? Aplosmilia tochikuboensis n. sp. Mori 1963 stony coral | |
? Montlivaltia sp. Lamouroux 1821 stony coral | |
Myriophyllia sp. d'Orbigny 1849 stony coral | |
| |
Thamnasteria sp. LeSauvage 1823 stony coral
Thamnasteria abukumaensis n. sp. Mori 1963 stony coral
Thamnasteria torinosuensis Eguchi 1951 stony coral | |
"Latomeandra somaensis n. sp." = Latiastrea somaensis1, "Thecosmilia tosaensis" = Latomeandra ramosa
"Thecosmilia tosaensis" = Latomeandra ramosa Koby 1884 stony coral | |
Stromatoporoidea | |
Milleporidium somaense stromatoporoid sponge
Milleporidium styliferum stromatoporoid sponge | |
Demospongiae | |
Parastromatopora japonica, Parastromatopora memorianaumanni, Parastromatopora kotoi, Parastromatopora mitodaensis, Parastromatopora minutissima
Parastromatopora japonica demosponge
Parastromatopora memorianaumanni demosponge
Parastromatopora kotoi demosponge
Parastromatopora mitodaensis demosponge
Parastromatopora minutissima demosponge |