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Excirolana sp.

genus Excirolana Richardson, 1912

Synonym of Macaronichnus isp., an ichnogenus, which is interpreted as the waste traces of Polychaeta (Ragworm).

• Modern species

• Classification
• kingdom Animalia, phylum Arthropoda, subphylum Crustacea, class Malacostraca, order Isopoda, family Cirolanidae

• Distribution (Creeping and crawling marks)
• Miocene: Hokkaido
• Miocene-Pliocene: Hokkaido
• Pliocene: Hokkaido
• Pleistocnene: Ibaraki, Chiba, Kanagawa