List of fossils in Osaka prefecture

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List of fossils in Osaka prefecture

A list of fossils reported from Osaka prefecture, Kinki region, Honshu island, Japan.

Photographs of outcrops and fossils in Osaka prefecture

Permian (298.9-252.17 Ma)

Cretaceous (145.0-66.0 Ma)

Reptiles: Mosasaurus sp.

Fishes, (Scale)

Sharks, (Teeth)

Ammonoids: Baculites sp.; Canadoceras sp.; Diplomoceras sp.; Gaudryceras sp.; Hoploscaphites sp.; Pachydiscus sp.

Crustaceans: infraorder Brachyura, Crabs; order Decapoda, Decapods

Bivalves: Nucula sp.; Nanonavis sp.; Periplomya sp.; Pleurogrammatodon sp.

Trace fossils: Archeozostera sp.

Pleistocene (2.58- 0.01Ma)

Mammals: Mammuthus shigensis => Mammuthus protomammonteus; Cervus grayi subsp. katokiyomasai

Reptiles: Toyotamaphimeia machikanensis

Bivalves: superfamily Ostreoidea, Oyster

Flowering plants: Alnus sp., Alder, (Nuts); Juglans mandshurica var. sachalinensis, Japanese walnut, (Nuts); Liquidambar sp., Sweetgum; Menyanthes sp., (Seeds); Paliurus nipponicus; Styrax sp., Snowbell tree, (Nuts); Syzygium buxifolium; Triadica sebifera var. pleistoceaca, (Seeds)

Conifers: Glyptostrobus sp.; Metasequia sp.; Picea maximowiczii, Japanese bush spruce; Pinus koraiensis, Korean pine; Pseudolarix sp.

Trace fossils: Pipe rocks; class Aves, Birds, (Footprints); family Cervidae, Deer, (Footprints); Stegodon aurorae, (Footprints)

Holocene (0.01-0 Ma)

Mammals: Physeter sp., Sperm whale

Bivalves: Aphrodora kurodai; Dosinia sp.; Mactra sp.; Meretrix sp.; Scapharca sp. => Anadara sp.; Solecurtus sp.; Solen krusensterni

Scaphopods: Dentalium octangulatum, Octagonal tusk shell

Gastropods: Cancellaria sp.; Doxander japonicus, Japanese conch; Rhinoclavis kochi, Koch's vertagus

Crustaceans: Hexapinus sp.; Macrophthalmus sp.; Typhlocarcinus sp.

Flowering plants: Quercus acutissima, Sawtooth oak

Investigation in progress

Flowering plants: Trapa discoidpoda