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Crustacea, Crustacean(s)

subphylum Crustacea Brünnich, 1772

Dwelling trace fossils are described as an ichnogenus of Ophiomorpha isp..

• Modern species

• Classification
• kingdom Animalia

• Distribution
• Ordovician: Gifu
• Devonian: Gifu
• Permian: Hiroshima
• Triassic: Hiroshima
• Cretaceous: Iwate, Hyogo, Osaka, Okayama, Hiroshima, Yamaguchi, Fukuoka
• Paleogene-Neogene: Okayama
• Eocene: Ehime
• Eocene-Oligocene: Fukuoka
• Oligocene: Hokkaido, Iwate, Fukuoka, Saga
• Neogene: Gifu, Okayama
• Miocene: Aomori, Iwate, Yamagata, Nagano, Toyama, Ishikawa, Fukui, Gunma, Tochigi, Saitama, Tokyo, Kanagawa, Shizuoka, Aichi, Gifu, Mie, Shiga, Kyoto, Okayama, Hiroshima, Tottori, Shimane, Yamaguchi
• Miocene-Pliocene: Nagano, Gunma, Shizuoka
• Pliocene: Hokkaido, Miyagi, Niigata, Nagano, Toyama, Chiba, Aichi
• Pliocene-Pleistocene: Ishikawa, Kanagawa
• Quaternary: Hiroshima
• Pleistocene: Hokkaido, Aomori, Niigata, Ishikawa, Fukui, Chiba, Kanagawa, Shizuoka, Aichi, Kyoto, Hyogo
• Holocene: Aichi, Osaka
• Investigation in progress: Fukushima, Niigata, Kagawa

• Distribution (Feeding marks)
• Miocene: Hokkaido, Tottori
• Miocene-Pliocene: Hokkaido
• Pliocene: Hokkaido
• Pleistocene: Ibaraki, Chiba, Kanagawa, Shimane

• Distribution (Burrows, Ophiomorpha isp.)
• Neogene: Gifu
• Miocene: Fukui, Gifu
• Pliocene: Fukui
• Pleistocene: Hokkaido, Fukui, Chiba, Kanagawa
• Investigation in progress: Toyama, Tokyo?

• Subtaxa
• Amphipoda, order
• Balanomorpha, suborder, Barnacle
• Bathynomus, genus, Giant isopod
• Capitulum, genus
• Cirolanidae, family
• Decapoda, order, Decapod
• Ostracoda, class, Ostracod
• Spinicaudata, order, Clam shrimp
• Squillidae, family