edan: nmnhpaleobiology_17177247 topic: 古生物一般 museum: 国立自然史博物館 title_en: Macroacaena schencki (Rathbun, 1932) topic_en: Paleogeneral museum_en: National Museum of Natural History description_en: Cenozoic / Paleogene / Eocene / Late to / / Oligocene / Early