| Trigonostomidae Beklemischeviella Luther, 1943 | | w | latest taxonomic authority | |
| Trigonostomidae Ceratopera den Hartog, 1964 | [with synonyms] | w | latest taxonomic authority | |
| Trigonostomidae Lutheriella den Hartog, 1966 | | w | latest taxonomic authority | |
| Proxenetes bilioi den Hartog, 1966 | [with synonyms] | w | latest taxonomic authority | |
| Proxenetes britannicus den Hartog, 1966 | [with synonyms] | w | other taxonomic work | |
| Proxenetes cisorius den Hartog, 1966 | [with synonyms] | w | other taxonomic work | |
| Proxenetes deltoides den Hartog, 1965 | [with synonyms] | w | other taxonomic work | |
| Proxenetes intermedius den Hartog, 1966 | [with synonyms] | w | latest taxonomic authority | |
| Proxenetes minimus den Hartog, 1966 | [with synonyms] | w | other taxonomic work | |
| Proxenetes quadrispinosus den Hartog, 1966 | [with synonyms] | w | latest taxonomic authority | |
| Proxenetes segmentatus den Hartog, 1966 | [with synonyms] | w | latest taxonomic authority | |
| Proxenetes unidentatus den Hartog, 1965 | [with synonyms] | w | latest taxonomic authority | |
| Proxenetes (Apoxinetes) britannicus den Hartog, 1966 | | w | latest taxonomic authority | 182-185 |
| Proxenetes (Archixenetes) cisorius den Hartog, 1966 | | w | latest taxonomic authority | 180-182, figs. 20, 21 |
| Proxenetes (Perixenetes) bilioi den Hartog, 1966 | | w | latest taxonomic authority | 201-203, fig. 35 |
| Proxenetes (Perixenetes) intermedius den Hartog, 1966 | | w | latest taxonomic authority | |
| Proxenetes (Perixenetes) karlingi Luther, 1943 | | w | latest taxonomic authority | 199-201, figs. 33, 34 |
| Proxenetes (Perixenetes) segmentatus den Hartog, 1966 | | w | latest taxonomic authority | |
| Proxenetes (Proxenetes) deltoides den Hartog, 1965 | | w | latest taxonomic authority | 206-208, figs 37, 38 |
| Proxenetes (Proxenetes) flabellifer Jensen, 1878 | | w | latest taxonomic authority | 205-206 |
| Proxenetes (Proxenetes) simplex Luther, 1948 | | w | latest taxonomic authority | 213-216, figs. 43, 44 |
| Proxenetes (Proxenetes) uncinatus Graff, 1882 | | w | latest taxonomic authority | |
| Proxenetes (Proxenetes) unidentatus den Hartog, 1965 | | w | latest taxonomic authority | 208-210, figs 39, 40 |
| Trigonostomidae Ptychopera den Hartog, 1964 | | w | other taxonomic work | |
| Ptychopera spinifera den Hartog, 1966 | | w | other taxonomic work | 162-165, figs. 10,11 |
| Trigonostomum penicillatum (Schmidt, 1857) | [with synonyms] | w | other taxonomic work | 216-217, fig 45 |
| Messoplana helgolandica Ax, 1971 | | w | primary taxonomic authority (describer) | 175-178, figs. 18,19 |
| Proxenetes ampullatus Ax, 1971 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Proxenetes cimbricus Ax, 1971 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Proxenetes flexus Ax, 1971 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Proxenetes multidentatus Ax, 1971 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Proxenetes quinquespinosus Ax, 1971 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Proxenetes Apoxinetes Ax, 1971 | | w | primary taxonomic authority (describer) | 182 |
| Proxenetes (Apoxinetes) cimbricus Ax, 1971 | | w | primary taxonomic authority (describer) | 185-186, fig. 24 |
| Proxenetes (Apoxinetes) flexus Ax, 1971 | | w | primary taxonomic authority (describer) | 187-188, fig 25 |
| Proxenetes Archixenetes Ax, 1971 | | w | primary taxonomic authority (describer) | 179 |
| Proxenetes Paraxenetes Ax, 1971 | | w | primary taxonomic authority (describer) | 188-189 |
| Proxenetes (Paraxenetes) ampullatus Ax, 1971 | | w | primary taxonomic authority (describer) | 191-194, figs. 28, 29 |
| Proxenetes Perixenetes Ax, 1971 | | w | primary taxonomic authority (describer) | 194-195 |
| Proxenetes (Perixenetes) quinquespinosus Ax, 1971 | | w | primary taxonomic authority (describer) | 196-199, figs. 31, 32 |
| Proxenetes Proxenetes Ax, 1971 | | w | primary taxonomic authority (describer) | 203-205 |
| Proxenetes (Proxenetes) multidentatus Ax, 1971 | | w | primary taxonomic authority (describer) | 210-212, figs 41, 42 |
| Ptychopera ehlersi Ax, 1971 | | w | primary taxonomic authority (describer) | 165-167, Figs. 12, 13 |
| Ptychopera hartogi Ax, 1971 | | w | primary taxonomic authority (describer) | 167-171, figs. 14, 15 |
| Ptychopera purasjokii Ax, 1971 | | w | primary taxonomic authority (describer) | 155-157, fig. 4,5 |
| Ptychopera subterranea Ax, 1971 | | w | primary taxonomic authority (describer) | 160-162, fig. 8,9 |
| Ptychopera zostericola Ax, 1971 | | w | primary taxonomic authority (describer) | 157-160, fig. 6,7 |
| Beklemischeviella contorta (Beklemischev, 1927) | [with synonyms] | w | other taxonomic work | 151-152 |
| Ptychopera westbladi (Luther, 1943) Den Hartog, 1964 | [with synonyms] | w | other taxonomic work | 153-155, fig. 3 |
| Ceratopera gracilis (Graff, 1882) | [with synonyms] | w | other taxonomic work | 171-173, fig. 16 |
| Messoplana falcata (Ax, 1953) | | w | other taxonomic work | 173 |
| Messoplana elegans Luther, 1948 | | w | other taxonomic work | 174 |
| Trigonostomidae Proxenetes Jensen, 1878 | [with synonyms] | w | other taxonomic work | 178-179 |
| Proxenetes (Archixenetes) pratensis Ax, 1960 | | w | other taxonomic work | 179-180 |
| Proxenetes (Apoxinetes) puccinellicola Ax, 1960 | | w | other taxonomic work | 188 |
| Proxenetes (Paraxenetes) quadrispinosus den Hartog, 1966 | | w | other taxonomic work | 189-191, figs. 26, 27 |
| Proxenetes (Perixenetes) trigonus Ax, 1960 | | w | other taxonomic work | 195-196, fig. 30 |
| Ceratopera helgolandica (Ax, 1971) | [with synonyms] | w | primary taxonomic authority (describer) | 175-178, figs. 18,19 |
| Messoplana helgolandica Ax, 1971 | | w | latest taxonomic authority | 175-178, figs. 18,19 |
