| Staurosira construens Ehrenb., 1843 |
| Staurosira construens var. exigua (W. Sm.) H. Kobayashi, 2002 |
| Staurosira construens var. pumila (Grunow) J.C. Kingston, 2000 |
| Staurosira exigua (W. Sm.) Van de Vijver & Guiry, 2022 |
| Staurosira harrisonii (W. Sm.) Grunow, 1877 |
| Staurosira inflata (Heiden) A. Rusanov, Ács, E. Morales & Ector, 2018 |
| Staurosira leptostauron (Ehrenb.) Kulikovskiy & Genkal, 2011 |
| Staurosira longirostris (Frenguelli) Metzeltin, Lange-Bert. & García-Rodríguez, 2005 |
| Staurosira mercedes Lange-Bert. & Rumrich, 2000 |
| Staurosira neoproducta (Lange-Bert.) Chudaev & Gololobova, 2012 |
| Staurosira pseudoconstruens (Marciniak) Lange-Bert., 2000 |
| Staurosira subsalina (Hust.) Lange-Bert., 2004 |
| Staurosira venter (Ehrenb.) H. Kobayasi, 2002 |
| Staurosiraceae Medlin, 2016 |
| Staurosirella D.M. Williams & Round, 1988 |
| Staurosirella africana (Hust.) D.M. Williams & Round, 1987 |
| Staurosirella alpestris (Krasske) Le Cohu, 1999 |
| Staurosirella crux (Ehrenb.) Van de Vijver & Kusber, 2024 |
| Staurosirella dubia (Grunow) E.A. Morales & K.M. Manoylov, 2006 |
| Staurosirella harrisonii (W. Sm.) E. Morales & C.E. Wetzel, 2015 |