n = 4
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Sagamichthys abei | Parr, 1953 | Sagamichthys abei | Platytroctidae | Shining tubeshoulder |
| Sagamichthys gracilis | Sazonov, 1978 | Sagamichthys gracilis | Platytroctidae | |
| Sagamichthys intermedius | Sazonov, 1976 | Holtbyrnia intermedia | Platytroctidae | |
| Sagamichthys schnakenbecki | (Krefft, 1953) | Sagamichthys schnakenbecki | Platytroctidae | Schnakenbeck's searsid |