| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Fragilaria harrisonii | 591055 | Grunow | | ITIS | not accepted | synonym of Staurosirella leptostauron | Species |
| Fragilaria lapponica | 2993 | Grunow | | ITIS | not accepted | synonym of Staurosirella lapponica | Species |
| Fragilaria leptostauron | 2948 | (Ehrenb.) Hust. | | ITIS | not accepted | synonym of Staurosirella leptostauron | Species |
| Fragilaria leptostauron var. leptostauron | 2949 | (Ehrenb.) Hust. | | ITIS | not accepted | synonym of Staurosirella leptostauron | Variety |
| Fragilaria mutabilis | 591057 | (W. Sm.) Grunow | | ITIS | not accepted | synonym of Staurosirella pinnata | Species |
| Fragilaria pinnata | 2937 | Ehrenb. | | ITIS | not accepted | synonym of Staurosirella pinnata | Species |
| Fragilaria pinnata var. pinnata | 2938 | Ehrenb. | | ITIS | not accepted | synonym of Staurosirella pinnata | Variety |
| Odontidium mutabile | 591058 | W. Sm. | | ITIS | not accepted | synonym of Staurosirella pinnata | Species |
| Opephora pinnata | 591059 | Ehrenb. | | ITIS | not accepted | synonym of Staurosirella pinnata | Species |
| Staurosira mutabilis | 591043 | (W. Sm.) Grunow | | ITIS | not accepted | synonym of Staurosirella pinnata | Species |
| Staurosirella lapponica | 590962 | (Grunow in Van Heurck) D. M. Williams & Round | | ITIS | accepted | | Species |
| Staurosirella leptostauron | 590961 | (Ehrenb.) D. M. Williams & Round | | ITIS | accepted | | Species |
| Staurosirella pinnata | 590892 | (Ehrenb.) D. M. Williams & Round | | ITIS | accepted | | Species |
