| Mecynostomidae Childia Graff, 1910 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Trigonostomum intermedium Graff, 1910 | w | primary taxonomic authority (describer) | ||
| Childia groenlandica (Levinsen, 1879) | [with synonyms] | w | other taxonomic work | 21-24, textf. 1, t. 2 f. 5-12 |
| Childiidae Childia Graff, 1910 | - | primary taxonomic authority (describer) | ||
| Childiidae Childia Graff, 1910 | - | latest taxonomic authority |