edan: nmnhpaleobiology_3448903 topic: 爬虫類 museum: 国立自然史博物館 title_en: Hypsibema crassicauda Cope, 1869 topic_en: Reptiles museum_en: National Museum of Natural History objectType: ホロタイプ標本 objectType_en: Holotypes description_en: Mesozoic / Cretaceous / Late