| Placorhynchus dimorphis Karling, 1947 | [with synonyms] | w | other taxonomic work | 62, Figs. 35 B, 36 E-H |
| Archilopsis sp. Martens, 1984 | | - | latest taxonomic authority | |
| Archiloa inopinata Martens, 1984 | | w | latest taxonomic authority | |
| Archilopsis arenaria Martens, Curini-Galletti & Pucinelli, 1989 | | w | latest taxonomic authority | 20, Fig. 7E |
| Baicalellia canadensis Ax & Armonies, 1987 | | w | primary taxonomic authority (describer) | 66-69, Fig. 39, 40 A, B |
| Pogaina oncostylis Ax & Armonies, 1987 | | w | primary taxonomic authority (describer) | 69-70, Figs. 41, 42 C, D |
| Prognathorhynchus eurytuba Ax & Armonies, 1987 | | w | primary taxonomic authority (describer) | 57-60, Figs. 33, 34 A, B, E |
| Phonorhynchoides carinostylis Ax & Armonies, 1987 | | w | primary taxonomic authority (describer) | 55-57, Figs. 31, 32 |
| Promesostoma bilobatum Ax & Armonies, 1987 | | w | primary taxonomic authority (describer) | 31-35, Figs. 15, 16 |
| Promesostoma fibulatum Ax & Armonies, 1987 | | w | primary taxonomic authority (describer) | 31, Figs. 13, 14 |
| Macrostomum burti Ax & Armonies, 1987 | | w | primary taxonomic authority (describer) | 13-15, figs. 4 A,B; 5C-F |
| Byrsophlebidae spec. 1 Ax & Armonies, 1987 | | - | primary taxonomic authority (describer) | |
| Byrsophlebidae spec. 2 Ax & Armonies, 1987 | | - | primary taxonomic authority (describer) | |
| Prognathorhynchus sp. Ax & Armonies, 1987 | | - | primary taxonomic authority (describer) | 60, Fig. 34 C, D |
| Archilopsis inopinata Martens, Curini-Galletti & Pucinelli, 1989 | | w | other taxonomic work | |
| Coronhelmis lutheri Ax, 1951 | | w | other taxonomic work | 41-42, Fig. D, E |
| Coronhelmis multispinosus Luther, 1948 | | w | other taxonomic work | 40, Fig. 20 A-C |
| Macrostomum rubrocinctum Ax, 1951 | [with synonyms] | w | other taxonomic work | 10-12, figs. 2, 3A |
| Macrostomum hamatum Luther, 1947 | | w | other taxonomic work | 13, fig. 3 B-F |
| Macrostomum pusillum Ax, 1951 | [with synonyms] | w | other taxonomic work | 15-17, figs. 4 C, D; 6 C, D |
| Macrostomum hystricinum Beklemischev, 1951 | [with synonyms] | w | other taxonomic work | 17, figs. 6 E-G |
| Paramyozonaria simplex Rieger & Tyler, 1974 | | w | other research on this sp. | 17-, figs. 6 A, B |
| Pseudostomum quadrioculatum (Leuckart, 1847) | [with synonyms] | w | other research on this sp. | 19 |
| Archilopsis inopinata Martens, Curini-Galletti & Pucinelli, 1989 | | w | other research on this sp. | 19, figs. 7 C, D |
| Monocelis lineata (Müller, 1773) | [with synonyms] | w | other taxonomic work | 20, Fig. 7A |
| Monocelis sp. Ax & Armonies, 1987 | | - | primary taxonomic authority (describer) | 20-21 |
| Minona baltica Karling & Kinnander, 1953 | | w | other taxonomic work | 21-22, Figs. 8 A, 9 A-D |
| Coelogynopora hymanae Riser, 1981 | | w | other taxonomic work | 22-24, Figs. 9 E, F |
| Coelogynopora schulzii Meixner, 1938 | | w | other taxonomic work | 24, Figs. 9 G, H |
| Itaspiella helgolandica (Meixner, 1938) | [with synonyms] | w | other taxonomic work | 24-25, Figs. 8 B, 10 C, D |
| Notocaryoplanella glandulosa (Ax, 1951) | | w | other taxonomic work | 26, Fig. 10 A, B |
| Promesostoma rostratum Ax, 1951 | | w | other taxonomic work | 26-27, Fig. 11 A-D |
| Promesostoma karlingi Ehlers, 1974 | | w | other taxonomic work | 28, Fig. 11 E-N |
| Promesostoma marmoratum (Schultze, 1851) | [with synonyms] | w | other taxonomic work | 28, Fig. 12 A-C |
| Promesostoma meixneri Ax, 1951 | | w | other taxonomic work | 28-29, Fig. 12 D |
| Promesostoma cochleare Karling, 1935 | | w | other taxonomic work | 29-30, Fig. 12 E-G |
| Stygoplanellina halophila Ax, 1954 | | w | other taxonomic work | 35-37, Fig. 17 |
| Brinkmanniella macrostomoides Luther, 1948 | | w | other taxonomic work | 37, Fig. 18 B |
| Pratoplana salsa Ax, 1960 | | w | other taxonomic work | 37-38, Figs. 18 A, 19 A |
| Ptychopera westbladi (Luther, 1943) Den Hartog, 1964 | [with synonyms] | w | other taxonomic work | 42, Fig. 21 |
| Ptychopera spinifera den Hartog, 1966 | | w | other taxonomic work | 43 |
| Ptychopera hartogi Ax, 1971 | | w | other taxonomic work | 43, Fig. 22 |
| Proxenetes deltoides den Hartog, 1965 | [with synonyms] | w | other taxonomic work | 43-45, Figs. 23 |
| Proxenetes unidentatus den Hartog, 1965 | [with synonyms] | w | other taxonomic work | 45-47, Fig. 24 |
| Beklemischeviella angustior Luther, 1943 | | w | other taxonomic work | 48, Fig. 26 A |
| Haloplanella curvistyla Luther, 1946 | | w | other taxonomic work | 48-50, Fig. 26 B, C |
| Thalassoplanella collaris Luther, 1946 | | w | other taxonomic work | 50, Fig. 26 D, E |
| Parautelga bilioi Karling, 1964 | [with synonyms] | w | other taxonomic work | 50-51, Figs. 27, 28 A |
| Acrorhynchides robustus (Karling, 1931) | [with synonyms] | w | other taxonomic work | 51-52, Fig. 28 B-D |
| Phonorhynchus helgolandicus (Metschnikow, 1865) | [with synonyms] | w | other taxonomic work | 55, Fig. 30 |
| Placorhynchus octaculeatus Karling, 1931 | | w | other taxonomic work | 60-61, Figs. 35 C, 36 D |
| Placorhynchus echinulatus Karling, 1947 | | w | other taxonomic work | 62-63, Fig. 35 A, 36 A-C |
| Baltoplana magna Karling, 1949 | [with synonyms] | w | other taxonomic work | 63-65, Fig. 37 A-D |
| Thylacorhynchus vicarus Boaden, 1963 | | w | other taxonomic work | 65, Fig. 37 E, F |
| Provortex sp. Ax & Armonies, 1987 | | - | primary taxonomic authority (describer) | 65, Fig. 38 B |
| Baicalellia brevitubus (Luther, 1918) | [with synonyms] | w | other taxonomic work | 65-66, Fig. 38 A |
| Vejdovskya pellucida (Schultze, 1851) | [with synonyms] | w | other taxonomic work | 69, Fig. 40 C-F |
| Pogaina kinnei Ax, 1970 | | w | other taxonomic work | 70-72, Fig. 42 A, B |
| Halammovortex macropharynx (Meixner, 1938) | [with synonyms] | w | other taxonomic work | 72, Fig. 43 A, B |
| Halammovortex nigrifrons (Karling, 1935) | [with synonyms] | w | other taxonomic work | 72, Fig. 43 C-E |
| Bresslauilla relicta Reisinger, 1929 | | w | other taxonomic work | 72-73 |
| Placorhynchus separatus Ax, 2008 | | w | other taxonomic work | |
| Halammovortex pseudonigrifrons Ax, 2008 | | w | other taxonomic work | |
| Beauchampiola canadiana Ax, 2008 | | w | other taxonomic work | |
| Beauchampiola mackfirae Ax, 2008 | | w | other taxonomic work | |
| Promesostoma bilineatum Pereyaslawzewa, 1892 | | w | other research on this sp. | |
