大久川部層

大久川部層 (斎藤, 1960) 安藤ほか, 1995

おおびさがわ

Obisagawa Member (Saito, 1960) Ando et al., 1995

------ 整合, ~~~~~~ 不整合, ~~~--- 部分不整合, '''/,, 指交, :::::: 断層, /--/-- 衝上断層, +__+__ 地表, ?--?-- 不明

分布: 福島県いわき市大久町大久川 (おおひさがわ)
化石: オウムガイ (Cymatoceras sp.), 腕足動物 (Telebratula sp.)
化石 (脊椎動物): Asterdontids, Basilemys sp., Hadrosaurids, サメ (歯)
化石 (アンモノイド): Anagaudryceras limatum, Baculites schencki, Baculites yokoyamai, Damesites sp., Eubostrychoceras indicum, Forresteria (Forresteria) alluaudi, Gaudryceras denseplicatum, Mesopuzosia yubarensis, Pachydesmoceras cf. mihoense, Phylloceras (Neophylloceras) subramosum, Polyptychoceras sp., Scaphites pseudoequalis, Yabeiceras orientale, Yezoites puerculus sp., Yokoyamaoceras sp.
化石 (貝): Acila (Truccacila) hokkaidoensis, Amphidonte sp., Anomia sp., Apiotrigonia (Apiotrigonia) undulosa, Apporhais sp., Chlamys milleri, Dentalium otatumei, Didymotis akamatsui, Dosinioasis? sp., Eriphyla higoensis, Ezonuculaca mactraeformis, Glycymeris amakusensis, Gyrodes sp., Inoceramus uwajimensis, Leptosolen japonica, Limatula sp., Myrtea ezoensis, Nanonavis sachalinensis, Opis sp., Pholadomya sp., Pinna sp., Rostellaria sp., Turritella sp., Yaadia kimurai
化石 (生痕): Ophiomorpha isp., Anchonicus isp.