Th Loc 5 (Eocene to of Japan)

Where: Hyogo, Japan (34.8° N, 135.2° E: paleocoordinates 42.7° N, 129.1° E)

• outcrop-level geographic resolution

When: Tainohata Formation (Kobe Group), Lutetian to Lutetian (47.8 - 38.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: estuary or bay; lithified, coarse-grained sandstone and lithified, muddy sandstone

• The muddy or sandy bottoms of intertidal to uppermost sublittorial zone in embayments, brackish embayments or estuaries.
• Poorly sorted muddy sandstone to coarse grained sandstone.

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collection methods: Specimens housed at Akashi City Cultural Museum and Museum of Nature and Human Activities, Hyogo.

Primary reference: T. Matsubara, H. Kurita, and H. Matsuo. 2010. Eocene Mollusca from the Tainohata Formation in Kobe City, southwest Japan. Paleontological Research 14(2):119-144 [J. Sessa/L. Eccles/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 102041: authorized by Jocelyn Sessa, entered by Laurie Eccles on 07.01.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Dinophyceae
  -
? Spiniferites sp.
? Spiniferites sp. Mantell 1850
 Gonyaulacales - Gonyaulacaceae
Cordosphaeridium exilimurum, Cribroperidinium tenuitabulatum
Gastropoda
 Neotaenioglossa - Calyptraeidae
Crepidula tainohataensis n. sp.
Crepidula tainohataensis n. sp. Matsubara et al. 2010 slipper shell
 Sorbeoconcha - Naticidae
? Gyrodes sp.
? Gyrodes sp. Conrad 1860 moon snail
 Neogastropoda - Pseudolividae
Sulcobuccinum sp.
Sulcobuccinum sp. d'Orbigny 1850 snail
 Cerithioidea - Potamididae
Potamides huzitai n. sp.
Potamides huzitai n. sp. horn snail
Bivalvia
 Cardiida - Veneridae
? Saxidomus sp., Pitar ozakii n. sp., "Cyclina (Cyclinorbis) aff. nodai" = Cyclina nodai, Cyclina (? Cyclina) sp.
? Saxidomus sp. Conrad 1837 venus clam
Pitar ozakii n. sp. Matsubara et al. 2010 venus clam
"Cyclina (Cyclinorbis) aff. nodai" = Cyclina nodai Nagao 1928 venus clam
Cyclina (? Cyclina) sp. Makiyama 1926 venus clam
 Cardiida - Trapezidae
Trapezium (Neotrapezium) kobe n. sp.
Trapezium (Neotrapezium) kobe n. sp. Matsubara et al. 2010 clam
 Mytilida - Mytilidae
Modiolus sp.
Modiolus sp. Lamarck 1801 mussel
 Arcida - Arcidae
Barbatia nodai n. sp.
Barbatia nodai n. sp. Matsubara et al. 2010 clam
 Ostreida - Ostreidae
? Ferganea sp.
? Ferganea sp. Vyalov 1936 oyster