The Dainichi Formation is a

palaeontological Paleontology (), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (geology), epoch (roughly 11,700 years before present). It includes t ...

formation located in

Shizuoka Shizuoka can refer to: * Shizuoka Prefecture, a Japanese prefecture * Shizuoka (city), the capital city of Shizuoka Prefecture * Shizuoka Airport * Shizuoka Domain, the name from 1868 to 1871 for Sunpu Domain, a predecessor of Shizuoka Prefecture ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

. The formation is part of the

Kakegawa is a city in western Shizuoka Prefecture, Japan. , the city had an estimated population of 117,925 in 45,519 households. The total area of the city is . Geography Kakegawa is in the coastal plains of southwest Shizuoka Prefecture. It is border ...

Group. It dates to the

Upper Pliocene The Pliocene ( ; also Pleiocene) is the epoch in the geologic time scale that extends from 5.333 million to 2.58mollusc Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...

an fossils, including those of the

Rhizoconus ''Rhizoconus'' is a subgenus of sea snails, marine gastropod mollusks in the genus ''Conus'', family Conidae, the cone snails and their allies.Bouchet, P. (2011). ''Rhizoconus'' Mörch, 1852. Accessed through: World Register of Marine Species a ...

hyaena.

See also

References

Further reading