| Name | Author | Source | Citation | Year |
|---|
| CHELONICOLA | R. Majewska, M. De Stefano & B. Van de Vijver in Majewski et al. | Phytotaxa | 233: 241 | 2015 |
| Chelonicola costaricensis | R. Majewska, M. De Stefano & B. Van de Vijver in Majewski et al. | Phytotaxa | 233: 242, figs. 1-12 | 2015 |
| Fragilaria vaucheriae f. contorta | R.L. Lowe | Proc. Iowa Acad. Sci. | 79: 66, pl. I | 1972 |
| Gomphonema microcapitatum | M. Kulikovskiy, J.P. Kociolek, & C. Solak | Phytotaxa | 233: 261, figs. 237-243 | 2015 |
| Gomphonema microlaticollum | M. Kulikovskiy, J.P. Kociolek, & C. Solak | Phytotaxa | 233: 260, figs. 176-190, 282-288 | 2015 |
| Gomphonema paracapitatum | M. Kulikovskiy, J.P. Kociolek, & C. Solak | Phytotaxa | 233: 260, figs. 214-227, 294 | 2015 |
| Gomphonema pseudacuminatum | M. Kulikovskiy, J.P. Kociolek, & C. Solak | Phytotaxa | 233: 254, figs. 46-75, 260-267 | 2015 |
| Navicula cryptogaster | R.L. Lowe | Proc. Iowa Acad. Sci. | 79: 67, pl. 2: fig. 10 | 1972 |
| POULINEA | R. Majewska, M. De Stefano & B. Van de Vijver in Majewski et al. | Phytotaxa | 233: 243 | 2015 |
| Poulinea lepidochelicola | R. Majewska, M. De Stefano & B. Van de Vijver in Majewski et al. | Phytotaxa | 233: 243, figs. 13-31 | 2015 |
| Surirella iowensis | R.L. Lowe | Proc. Iowa Acad. Sci. | 79: 69, pl. 5: figs. 2, 3 | 1972 |
| Surirella stoermeri | R.L. Lowe | Proc. Iowa Acad. Sci. | 79: 69, pl. 5: fig. 1 | 1972 |