Acrorhynchus caledonicus (Claperede, 1861) Graff, 1882 accepted as Acrorhynchides caledonicus (Claperede, 1861) Strand, 1928 (additional source)
Alcha evelinae Marcus, 1949 (additional source)
Annulorhynchus Karling, 1956 (original description)
Annulorhynchus adriaticus Karling, 1956 (original description)
Antiboreorhynchus torquatus Karling, 1952 (additional source)
Diascorhynchus collaris Karling, 1956 (basis of record)
Ethmorhynchus anophthalmus Meixner, 1938 (additional source)
Fungorhynchus pistillatus Karling, 1952 (additional source)
Gyratricella attemsi (Graff, 1913) Karling, 1955 (additional source)
Koinocystella inermis Karling, 1952 (additional source)
Mesorhynchus Karling, 1956 (original description)
Mesorhynchus terminostylis Karling, 1956 (original description)
Nannorhynchus Karling, 1956 accepted as Nannorhynchides Karling, 1964 (original description)
Nannorhynchus herdlaensis Karling, 1956 accepted as Nannorhynchides herdlaensis (Karling, 1956) Karling, 1964 (original description)
Neopolycystis tridentata Karling, 1955 (additional source)
Opisthocystis angarensis (Sibiriakowa, 1929) Karling, 1956 (new combination reference)
Opisthocystis bilobatus (Nasonov, 1935) Karling, 1956 (new combination reference)
Opisthocystis campanulatus (Nasonov, 1935) Karling, 1956 (new combination reference)
Opisthocystis irregularis (Nasonov, 1935) Karling, 1956 (new combination reference)
Opisthocystis multifidus (Nasonov, 1935) Karling, 1956 (new combination reference)
Opisthocystis trifidus (Nasonov, 1935) Karling, 1956 (new combination reference)
Papia Karling, 1956 (original description)
Papia bifida Karling, 1956 (original description)
Parachrorhynchus Karling, 1956 (original description)
Parachrorhynchus axi Karling, 1956 (original description)
Parachrorhynchus bergensis Karling, 1956 (original description)
Paulodora felis (Marcus, 1954) Artois & Schockaert, 1998 (additional source)
Phaenocora (Pseudophaenocora) Gilbert, 1938 accepted as Phaenocora Ehrenberg, 1837 (basis of record)
Phaenocora (Pseudophaenocora) sulfophila (Gilbert, 1938) Karling, 1956 accepted as Phaenocora sulfophila (Gilbert, 1938) Karling, 1956 (new combination reference)
Phaenocora highlandense Gilbert, 1935 accepted as Phaenocora highlandensis Gilbert, 1935 (additional source)
Phonorhynchella Karling, 1956 (original description)
Phonorhynchella biarcuata Karling, 1956 (original description)
Phonorhynchoides flagellatus Beklemischev, 1927 (additional source)
Phonorhynchus bitubatus Meixner, 1938 (additional source)
Phonorhynchus helgolandicus (Mecznikow, 1865) Graff, 1905 (additional source)
Phonorhynchus pearsei Ferguson, Stirewalt & Kepner, 1940 (additional source)
Polycystis dolichocephala (Pereyaslawzewa, 1892) Karling, 1956 accepted as Paulodora dolichocephala (Pereyaslawzewa, 1892) Artois & Schockaert, 1998 (new combination reference)
Polycystis gabriellae (Marcus, 1948) Karling, 1952 (additional source)
Polycystis intubata Graff, 1905 (additional source)
Polycystis matarazzoi (Marcus, 1948) Marcus, 1954 accepted as Paulodora matarazzoi Marcus, 1948 (additional source)
Polycystis riedli Karling, 1956 accepted as Paulodora riedli (Karling, 1956) Artois & Schockaert, 1998 (original description)
Porrocystis assimilis (Levinsen, 1879) Karling, 1952 (additional source)
Progyrator mamertinus (Graff, 1874) Reisinger, 1926 (additional source)
Psammopolycystis bidens Meixner, 1938 (additional source)
Psammopolycystis bondensis Karling, 1956 (original description)
Psammopolycystis bredungensis Karling, 1956 (original description)
Psammopolycystis falcata Karling, 1956 (original description)
Psammorhynchidae Karling, 1956 (original description)
Psammorhynchus Meixner, 1938 (redescription)
Psammorhynchus tubulipenis Meixner, 1938 (redescription)
Rhinepera marcusi Karling, 1956 accepted as Cheliplana marcusi (Karling, 1956) Karling, 1983 (original description)
Scanorhynchus limophilus Karling, 1955 (additional source)
Thylacorhynchus filostylis Karling, 1956 (original description)
Typhlopolycystis Karling, 1956 (original description)
Typhlopolycystis coeca Karling, 1956 (original description)
Xenocicerina Karling, 1956 (original description)
Xenocicerina gracilis Karling, 1956 (original description)
Zonorhynchus seminascatus Karling, 1956 (original description)
Zuccaria fredelyna Marcus, 1948 accepted as Paulodora fredelyna (Marcus, 1948) Artois & Schockaert, 1998 (additional source)

Croatian Exclusive Economic Zone for Annulorhynchus adriaticus Karling, 1956 
Croatian Exclusive Economic Zone for Annulorhynchus adriaticus Karling, 1956 
Croatian Exclusive Economic Zone for Polycystis dolichocephala (Pereyaslawzewa, 1892) Karling, 1956 
Croatian Exclusive Economic Zone for Polycystis riedli Karling, 1956 
Croatian Exclusive Economic Zone for Polycystis riedli Karling, 1956 
Danish Exclusive Economic Zone for Cheliplanilla caudata Meixner, 1938 
Danish Exclusive Economic Zone for Psammorhynchus tubulipenis Meixner, 1938 
Danish Exclusive Economic Zone for Xenocicerina gracilis Karling, 1956 
English Channel for Nannorhynchides herdlaensis (Karling, 1956) Karling, 1964 
Finnish Exclusive Economic Zone for Thylacorhynchus filostylis Karling, 1956 
Finnish Exclusive Economic Zone for Thylacorhynchus filostylis Karling, 1956 
Germany for Mesorhynchus terminostylis Karling, 1956 
Germany for Nannorhynchides herdlaensis (Karling, 1956) Karling, 1964 
Germany for Parachrorhynchus axi Karling, 1956 
Germany for Psammopolycystis bidens Meixner, 1938 
Germany for Psammorhynchus tubulipenis Meixner, 1938 
Germany for Psammorhynchus tubulipenis Meixner, 1938 
Germany for Typhlopolycystis coeca Karling, 1956 
Germany for Typhlopolycystis coeca Karling, 1956 
Germany for Xenocicerina gracilis Karling, 1956 
Germany for Xenocicerina gracilis Karling, 1956 
Germany for Zonorhynchus seminascatus Karling, 1956 
Germany for Zonorhynchus seminascatus Karling, 1956 
Greenland for Mesorhynchus terminostylis Karling, 1956 
Irish Sea for Mesorhynchus terminostylis Karling, 1956 
Italy for Papia bifida Karling, 1956 
North Sea for Psammorhynchus tubulipenis Meixner, 1938 
Norwegian Exclusive Economic Zone for Ethmorhynchus anophthalmus Meixner, 1938 
Norwegian Exclusive Economic Zone for Mesorhynchus terminostylis Karling, 1956 
Norwegian Exclusive Economic Zone for Mesorhynchus terminostylis Karling, 1956 
Norwegian Exclusive Economic Zone for Nannorhynchides herdlaensis (Karling, 1956) Karling, 1964 
Norwegian Exclusive Economic Zone for Parachrorhynchus bergensis Karling, 1956 
Sweden for Cheliplanilla caudata Meixner, 1938 
Sweden for Cheliplanilla caudata Meixner, 1938 
Sweden for Cheliplanilla caudata Meixner, 1938 
Sweden for Cheliplanilla caudata Meixner, 1938 
Sweden for Ethmorhynchus anophthalmus Meixner, 1938 
Sweden for Mesorhynchus terminostylis Karling, 1956 
Sweden for Mesorhynchus terminostylis Karling, 1956 
Sweden for Nannorhynchides herdlaensis (Karling, 1956) Karling, 1964 
Sweden for Nannorhynchides herdlaensis (Karling, 1956) Karling, 1964 
Sweden for Phonorhynchella biarcuata Karling, 1956 
Sweden for Phonorhynchella biarcuata Karling, 1956 
Sweden for Psammopolycystis bondensis Karling, 1956 
Sweden for Psammopolycystis bredungensis Karling, 1956 
Sweden for Psammopolycystis bredungensis Karling, 1956 
Sweden for Psammopolycystis bredungensis Karling, 1956 
Sweden for Psammopolycystis falcata Karling, 1956 
Sweden for Psammorhynchus tubulipenis Meixner, 1938 
Sweden for Typhlopolycystis coeca Karling, 1956 
Sweden for Typhlopolycystis coeca Karling, 1956 
Sweden for Typhlopolycystis coeca Karling, 1956 
Sweden for Xenocicerina gracilis Karling, 1956 
Sweden for Xenocicerina gracilis Karling, 1956 
Sweden for Xenocicerina gracilis Karling, 1956 
Sweden for Zonorhynchus seminascatus Karling, 1956 
Sweden for Zonorhynchus seminascatus Karling, 1956 
Sweden for Zonorhynchus seminascatus Karling, 1956 
United Kingdom for Ethmorhynchus anophthalmus Meixner, 1938 
United Kingdom for Mesorhynchus terminostylis Karling, 1956 
United Kingdom for Nannorhynchides herdlaensis (Karling, 1956) Karling, 1964