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Makiyama sp.

genus Makiyama

Invalid synonym: Sagarites sp.

• Extinct species: middle Miocene - Pliocene
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Porifera, class Demospongeae, order Poecilosclerida, family indet.

• Distribution
• Paleogene-Neogene: Nagano
• Miocene: Hokkaido, Aomori, Akita, Yamagata, Niigata, Nagano, Yamanashi, Toyama, Ishikawa, Gunma, Ibaraki, Saitama, Kanagawa, Shizuoka
• Miocene-Pliocene: Hokkaido, Nagano
• Pliocene: Hokkaido, Akita, Niigata, Nagano, Shizuoka
• Pliocene-Pleistocene: Hokkaido, Niigata

• Subtaxa
• M. chitanii

Etymology: Japanese paleontologist Jiro Makiyama (1896-1986)