Astrotorhynchinae Graff, 1905 accepted as
Paramesostominae Luther, 1948 (source of synonymy)
Beklemischeviella Luther, 1943 (subsequent type designation)
Ceratopera Den Hartog, 1964 (original description)
Ceratopera axi (Riedl, 1954) Den Hartog, 1964 (new combination reference)
Ceratopera gracilis (Graff, 1882) Den Hartog, 1964 (new combination reference)
Ceratopera levinseni Den Hartog, 1964 accepted as
Ceratopera flabellifera (Levinsen, 1879) Den Hartog, 1964 (basis of record)
Ceratopera paradoxa (Pereyaslawzewa, 1892) Den Hartog, 1964 (new combination reference)
Ceratopera reisingeri (Riedl, 1959) Den Hartog, 1964 (new combination reference)
Ceratopera sellai (Steinböck, 1933) Den Hartog, 1964 (new combination reference)
Ceratopera steinboecki (Riedl, 1959) Den Hartog, 1964 (new combination reference)
Promesostomidae Graff, 1882 (status source)
Proxenetes tuberculatus Graff, 1882 accepted as
Ptychopera tuberculata (Graff, 1882) Den Hartog, 1964 (taxonomy source)
Proxenetinae Graff, 1882 accepted as
Trigonostominae Graff, 1905 accepted as
Trigonostomidae Graff, 1905 (source of synonymy)
Ptychopera Den Hartog, 1964 (original description)
Ptychopera hartogi Ax, 1971 (original description (unavailable nomenclaturally))
Ptychopera plebeia (Beklemischev, 1927) Den Hartog, 1964 (new combination reference)
Ptychopera tuberculata (Graff, 1882) Den Hartog, 1964 (taxonomy source)
Ptychopera westbladi (Luther, 1943) Den Hartog, 1964 (new combination reference)
Baltic sea for
Beklemischeviella contorta (Beklemischev, 1927) Luther, 1943
Dutch Exclusive Economic Zone for
Monocelis lineata (Müller, 1773) Oersted, 1843
Dutch Exclusive Economic Zone for
Proxenetes puccinellicola Ax, 1960
Dutch Exclusive Economic Zone for
Ptychopera tuberculata (Graff, 1882) Den Hartog, 1964
Dutch Exclusive Economic Zone for
Ptychopera westbladi (Luther, 1943) Den Hartog, 1964
Dutch Exclusive Economic Zone for
Ptychopera westbladi (Luther, 1943) Den Hartog, 1964
Dutch Exclusive Economic Zone for
Ptychopera westbladi (Luther, 1943) Den Hartog, 1964
Dutch Exclusive Economic Zone for
Ptychopera westbladi (Luther, 1943) Den Hartog, 1964
Dutch Exclusive Economic Zone for
Ptychopera westbladi (Luther, 1943) Den Hartog, 1964
Dutch Exclusive Economic Zone for
Ptychopera westbladi (Luther, 1943) Den Hartog, 1964
Dutch Exclusive Economic Zone for
Ptychopera westbladi (Luther, 1943) Den Hartog, 1964
Dutch Exclusive Economic Zone for
Ptychopera westbladi (Luther, 1943) Den Hartog, 1964
Dutch Exclusive Economic Zone for
Ptychopera westbladi (Luther, 1943) Den Hartog, 1964
Dutch Exclusive Economic Zone for
Ptychopera westbladi (Luther, 1943) Den Hartog, 1964
Dutch Exclusive Economic Zone for
Ptychopera westbladi (Luther, 1943) Den Hartog, 1964
Dutch Exclusive Economic Zone for
Ptychopera westbladi (Luther, 1943) Den Hartog, 1964
Dutch Exclusive Economic Zone for
Ptychopera westbladi (Luther, 1943) Den Hartog, 1964
Dutch Exclusive Economic Zone for
Vejdovskya halileimonia Ax, 1960
Gulf of Finland for
Beklemischeviella contorta (Beklemischev, 1927) Luther, 1943
Sweden for
Ptychopera westbladi (Luther, 1943) Den Hartog, 1964
United Kingdom for
Archilopsis unipunctata (Fabricius, 1826)
United Kingdom for
Baicalellia brevituba (Luther, 1918) Nasonov, 1930
United Kingdom for
Beklemischeviella contorta (Beklemischev, 1927) Luther, 1943