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Porifera, Sponge(s)

phylum Porifera Grant, 1836

• Modern species

• Classification
• kingdom Animalia

• Distribution
• Paleozoic: Aomori, Saitama, Shiga
• Silurian: Iwate, Fukui, Gifu
• Devonian: Gifu
• Carboniferous: Iwate
• Carboniferous-Permian: Niigata, Yamaguchi
• Permian: Tochigi, Gifu, Mie, Hiroshima
• Jurassic: Nagano, Tokyo, Mie, Tokushima, Ehime
• Cretaceous: Iwate, Ehime
• Paleogene-Neogene: Nagano
• Miocene: Hokkaido, Aomori, Akita, Yamagata, Niigata, Nagano, Yamanashi, Toyama, Ishikawa, Gunma, Tochigi, Ibaraki, Saitama, Kanagawa, Shizuoka, Gifu, Shimane
• Miocene-Pliocene: Hokkaido, Nagano, Shizuoka
• Pliocene: Hokkaido, Aomori, Akita, Niigata, Nagano, Chiba, Shizuoka
• Pliocene-Pleistocene: Hokkaido, Niigata, Mie
• Investigation in progress: Miyagi, Kyoto

• Subtaxa
• Amblysiphonella, genus
• Aphrocallistes, genus
• Chaetetopsis crinita
• Hyalonema, genus
• Makiyama, genus
• Milleporidium, genus
• Stromatoporoidea, class, Stromatoporoid
• Tosastroma, genus