- Florilus asanoi
- Florilus chesapeakensis
- Hanzawaia aurouzeae
- Hanzawaia bundensis
- Hanzawaia elegans
- Hanzawaia laurisae
- Hanzawaia leroyi
- Hanzawaia producta
- Hanzawaia sumitomoi
- Nonionina anomalina
- Nonionina boueana armata
- Nonionina clarki
- Nonionina costifera
- Nonionina densepunctata
- Nonionina falx
- Nonionina mediocostata
- Nonionina panamensis
- Nonionina subgranosa
- Nonionina umbilicata