a7b5d2399fef38e3fc315e2d2992eeba

...

Arpaoceras Zhuravleva, 1962

Source

Rank

genus

Names

1

in Ruzhentev (Ed. ) Mollusca: Cephalopoda 1. In Orlov Y. A. (Ed. ) Osnovy Paleontologii. Akad. Nauk SSSR, Moskva 5: 89.