- Eocyclostomiceras, Microstomiceras,
Paracyclostomiceras, and Pictetoceras.
Cyclostomiceras and
Paracyclostomiceras were
described in
Flower (1964). Cyclostomiceras...
- †Paracenoceras †Paracleistoceras †Paraconradoceras †Paractinoceras †
Paracyclostomiceras †Paracymatoceras †Paradakeoceras †Paradiscoceras †Paradnatoceras...