| Convoluta japonica Kato, 1951 | | w | latest taxonomic authority | |
| Convoluta nitidae Yamasu, 1982 | | w | latest taxonomic authority | |
| Convoluta psammophilum Beklemischev, 1957 | | w | latest taxonomic authority | |
| Convoluta roscoffensis Graff, 1891 | | w | latest taxonomic authority | |
| Convoluta sagittifera Ivanov, 1952 | | w | latest taxonomic authority | |
| Convoluta schultzii Schmidt, 1852 | | w | latest taxonomic authority | |
| Acoela Sagittiferidae Kostenko & Mamkaev, 1990 | | w | primary taxonomic authority (describer) | |
| Convolutidae Praesagittifera Kostenko & Mamkaev, 1990 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Praesagittifera gracilis (Yamasu, 1982) | [with synonyms] | w | latest taxonomic authority | |
| Praesagittifera naikaiensis (Yamasu, 1982) | [with synonyms] | w | latest taxonomic authority | |
| Praesagittifera shikoki Kostenko & Mamkaev, 1990 | | w | primary taxonomic authority (describer) | |
| Convolutidae Sagittifera Kostenko & Mamkaev, 1990 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Sagittifera sagittifera (Ivanov, 1952) | [with synonyms] | w | latest taxonomic authority | |
| Convolutidae Symsagittifera Kostenko & Mamkaev, 1990 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Sagittiferidae Simsagittifera Kostenko & Mamkaev, 1990 | | w | primary taxonomic authority (describer) | |
| Symsagittifera bifoveolata (Mamkaev, 1971) | [with synonyms] | w | latest taxonomic authority | |
| Symsagittifera japonica (Kato, 1951) | [with synonyms] | w | latest taxonomic authority | |
| Symsagittifera macnaei (Du Bois-Reymond Marcus, 1957) | [with synonyms] | w | latest taxonomic authority | |
| Symsagittifera nitidae (Yamasu, 1982) | [with synonyms] | w | latest taxonomic authority | |
| Symsagittifera psammophila (Beklemischev, 1957) | [with synonyms] | w | latest taxonomic authority | |
| Symsagittifera roscoffensis (Graff, 1891) | [with synonyms] | w | latest taxonomic authority | |
| Symsagittifera schultzei (Schmidt, 1852) | [with synonyms] | w | latest taxonomic authority | |
| Sagittiferidae Praesagittifera Kostenko & Mamkaev, 1990 | | - | primary taxonomic authority (describer) | |
| Sagittiferidae Sagittiferinae Kostenko & Mamkaev, 1990 | | w | primary taxonomic authority (describer) | |
| Sagittiferinae Sagittifera Kostenko & Mamkaev, 1990 | | - | primary taxonomic authority (describer) | |
| Sagittiferinae Sagittifera Kostenko & Mamkaev, 1990 | | - | latest taxonomic authority | |
| Sagittiferinae Symsagittifera Kostenko & Mamkaev, 1990 | | - | primary taxonomic authority (describer) | |
| Sagittiferinae Symsagittifera Kostenko & Mamkaev, 1990 | | - | latest taxonomic authority | |