Anagaudryceras compressum

Anagaudryceras / Mollusca, Cephalopoda, Ammonoidea

Anagaudryceras / Mollusca, Cephalopoda, Ammonoidea

Gaudryceras izumiense

Eupachydiscus / Mollusca, Cephalopoda, Ammonoidea

Jimboiceras / Mollusca, Cephalopoda, Ammonoidea

Anagaudryceras / Mollusca, Cephalopoda, Ammonoidea

Mesopuzosia / Mollusca, Cephalopoda, Ammonoidea

Gaudryceras hobetsense

Eupachydiscus

Pachydesmoceras / Mollusca, Cephalopoda, Ammonoidea

Anapachydiscus / Mollusca, Cephalopoda, Ammonoidea

Pachydesmoceras / Mollusca, Cephalopoda, Ammonoidea

Neopuzosia / Mollusca, Cephalopoda, Ammonoidea

Menuites / Mollusca, Cephalopoda, Ammonoidea

Gaudryceras / Mollusca, Cephalopoda, Ammonoidea

Zelandites / Mollusca, Cephalopoda, Ammonoidea

Canadoceras / Mollusca, Cephalopoda, Ammonoidea

Hourcquia hataii

Pachydesmoceras kossmati

Saghalinites teshioensis

Eupachydiscus / Mollusca, Cephalopoda, Ammonoidea

Ceratites / Mollusca, Cephalopoda, Ammonoidea

Pachydiscus / Mollusca, Cephalopoda, Ammonoidea

Takahashiceras eureka

Gaudryceras / Mollusca, Cephalopoda, Ammonoidea

Ainoceras kamuy