Lutheriella diplostyla Hartog, 1966 (original description)
Messoplana Den Hartog, 1966 accepted as Ceratopera Den Hartog, 1964 (original description)
Messoplana elegans (Luther, 1948) Den Hartog, 1966 accepted as Ceratopera elegans (Luther, 1948) Van Steenkiste & Leander, 2018 (new combination reference)
Messoplana falcata (Ax, 1953) Den Hartog, 1966 accepted as Ceratopera falcata (Ax, 1953) Van Steenkiste & Leander, 2018 (new combination reference)
Messoplana geminata Den Hartog, 1966 accepted as Ceratopera geminata (Hartog, 1966) Van Steenkiste & Leander, 2018 (original description)
Proxenetes affinis accepted as Provortex affinis (Jensen, 1878) Graff, 1882 (source of synonymy)
Proxenetes arenarius Meixner, 1938 (additional source)
Proxenetes bilioi Den Hartog, 1966 (original description)
Proxenetes britannicus Den Hartog, 1966 (original description)
Proxenetes chlorosticus (Schmidt, 1857) Graff, 1882 (status source)
Proxenetes cisorius Den Hartog, 1966 (original description)
Proxenetes cochlear Graff, 1882 (status source)
Proxenetes echinatus (Uljanin, 1870) Graff, 1882 (status source)
Proxenetes filum Meixner, 1938 accepted as Proxenetes karlingi Luther, 1943 (source of synonymy)
Proxenetes inflatus Den Hartog, 1966 (original description)
Proxenetes intermedius Den Hartog, 1966 (original description)
Proxenetes lictor Beklemischev, 1927 accepted as Trigonostomum mirabile (Pereyaslawzewa, 1892) Graff, 1905 (additional source)
Proxenetes lutheri Den Hartog, 1966 (original description)
Proxenetes lutheri Den Hartog, 1966 (additional source)
Proxenetes minimus Den Hartog, 1966 (original description)
Proxenetes monotubulus Den Hartog, 1966 (original description)
Proxenetes quadrispinosus Den Hartog, 1966 (original description)
Proxenetes segmentatus Den Hartog, 1966 (original description)
Proxenetes sensitivus (Uljanin, 1870) Graff, 1882 (status source)
Proxenetes striatus (Uljanin, 1870) Graff, 1882 (status source)
Psittorhynchus Den Hartog, 1966 accepted as Psittacorhynchus Den Hartog, 1968 (basis of record)
Psittorhynchus verweyi Den Hartog, 1966 accepted as Psittacorhynchus verweyi Den Hartog, 1968 (basis of record)
Ptychopera spinifera Den Hartog, 1966 (original description)

Belgian Exclusive Economic Zone for Proxenetes karlingi Luther, 1943 
Belgium for Ptychopera spinifera Den Hartog, 1966 
Dutch Exclusive Economic Zone for Archilopsis unipunctata (Fabricius, 1826) 
Dutch Exclusive Economic Zone for Coelogynopora schulzii Meixner, 1938 
Dutch Exclusive Economic Zone for Lutheriella diplostyla Hartog, 1966 
Dutch Exclusive Economic Zone for Lutheriella diplostyla Hartog, 1966 
Dutch Exclusive Economic Zone for Lutheriella diplostyla Hartog, 1966 
Dutch Exclusive Economic Zone for Macrostomum balticum Luther, 1947 
Dutch Exclusive Economic Zone for Macrostomum pusillum Ax, 1951 
Dutch Exclusive Economic Zone for Maehrenthalia dubia Ax, 1956 
Dutch Exclusive Economic Zone for Mecynostomum auritum (Schultze, 1851) 
Dutch Exclusive Economic Zone for Mecynostomum auritum (Schultze, 1851) 
Dutch Exclusive Economic Zone for Mecynostomum auritum (Schultze, 1851) 
Dutch Exclusive Economic Zone for Messoplana elegans (Luther, 1948) Den Hartog, 1966 
Dutch Exclusive Economic Zone for Messoplana elegans (Luther, 1948) Den Hartog, 1966 
Dutch Exclusive Economic Zone for Messoplana geminata Den Hartog, 1966 
Dutch Exclusive Economic Zone for Monocelis fusca Örsted, 1843 
Dutch Exclusive Economic Zone for Monocelis fusca Örsted, 1843 
Dutch Exclusive Economic Zone for Monocelis fusca Örsted, 1843 
Dutch Exclusive Economic Zone for Monocelis fusca Örsted, 1843 
Dutch Exclusive Economic Zone for Monocelis lineata (Müller, 1773) Oersted, 1843 
Dutch Exclusive Economic Zone for Pogaina suecica (Luther, 1948) Marcus, 1954 
Dutch Exclusive Economic Zone for Promesostoma marmoratum (Schultze, 1851) Graff, 1882 
Dutch Exclusive Economic Zone for Promesostoma rostratum Ax, 1951 
Dutch Exclusive Economic Zone for Provortex balticus (Schultze, 1851) Graff, 1882 
Dutch Exclusive Economic Zone for Provortex balticus (Schultze, 1851) Graff, 1882 
Dutch Exclusive Economic Zone for Provortex karlingi Ax, 1951 
Dutch Exclusive Economic Zone for Provortex tubiferus Luther, 1948 
Dutch Exclusive Economic Zone for Provortex tubiferus Luther, 1948 
Dutch Exclusive Economic Zone for Proxenetes angustus Ax, 1951 
Dutch Exclusive Economic Zone for Proxenetes angustus Ax, 1951 
Dutch Exclusive Economic Zone for Proxenetes bilioi Den Hartog, 1966 
Dutch Exclusive Economic Zone for Proxenetes britannicus Den Hartog, 1966 
Dutch Exclusive Economic Zone for Proxenetes britannicus Den Hartog, 1966 
Dutch Exclusive Economic Zone for Proxenetes cisorius Den Hartog, 1966 
Dutch Exclusive Economic Zone for Proxenetes cisorius Den Hartog, 1966 
Dutch Exclusive Economic Zone for Proxenetes cisorius Den Hartog, 1966 
Dutch Exclusive Economic Zone for Proxenetes cisorius Den Hartog, 1966 
Dutch Exclusive Economic Zone for Proxenetes cisorius Den Hartog, 1966 
Dutch Exclusive Economic Zone for Proxenetes cisorius Den Hartog, 1966 
Dutch Exclusive Economic Zone for Proxenetes deltoides Den Hartog, 1965 
Dutch Exclusive Economic Zone for Proxenetes deltoides Den Hartog, 1965 
Dutch Exclusive Economic Zone for Proxenetes flabellifer Jensen, 1878 
Dutch Exclusive Economic Zone for Proxenetes intermedius Den Hartog, 1966 
Dutch Exclusive Economic Zone for Proxenetes intermedius Den Hartog, 1966 
Dutch Exclusive Economic Zone for Proxenetes intermedius Den Hartog, 1966 
Dutch Exclusive Economic Zone for Proxenetes karlingi Luther, 1943 
Dutch Exclusive Economic Zone for Proxenetes karlingi Luther, 1943 
Dutch Exclusive Economic Zone for Proxenetes karlingi Luther, 1943 
Dutch Exclusive Economic Zone for Proxenetes karlingi Luther, 1943 
Dutch Exclusive Economic Zone for Proxenetes karlingi Luther, 1943 
Dutch Exclusive Economic Zone for Proxenetes karlingi Luther, 1943 
Dutch Exclusive Economic Zone for Proxenetes karlingi Luther, 1943 
Dutch Exclusive Economic Zone for Proxenetes karlingi Luther, 1943 
Dutch Exclusive Economic Zone for Proxenetes minimus Den Hartog, 1966 
Dutch Exclusive Economic Zone for Proxenetes minimus Den Hartog, 1966 
Dutch Exclusive Economic Zone for Proxenetes minimus Den Hartog, 1966 
Dutch Exclusive Economic Zone for Proxenetes minimus Den Hartog, 1966 
Dutch Exclusive Economic Zone for Proxenetes monotubulus Den Hartog, 1966 
Dutch Exclusive Economic Zone for Proxenetes puccinellicola Ax, 1960 
Dutch Exclusive Economic Zone for Proxenetes puccinellicola Ax, 1960 
Dutch Exclusive Economic Zone for Proxenetes puccinellicola Ax, 1960 
Dutch Exclusive Economic Zone for Proxenetes puccinellicola Ax, 1960 
Dutch Exclusive Economic Zone for Proxenetes quadrispinosus Den Hartog, 1966 
Dutch Exclusive Economic Zone for Proxenetes quadrispinosus Den Hartog, 1966 
Dutch Exclusive Economic Zone for Proxenetes segmentatus Den Hartog, 1966 
Dutch Exclusive Economic Zone for Proxenetes simplex Luther, 1948 
Dutch Exclusive Economic Zone for Proxenetes trigonus Ax, 1960 
Dutch Exclusive Economic Zone for Proxenetes trigonus Ax, 1960 
Dutch Exclusive Economic Zone for Pseudostomum quadrioculatum (Leuckart, 1847) 
Dutch Exclusive Economic Zone for Ptychopera tuberculata (Graff, 1882) Den Hartog, 1964 
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 Vejdovskya halileimonia Ax, 1960 
France for Proxenetes britannicus Den Hartog, 1966 
France for Proxenetes cisorius Den Hartog, 1966 
France for Proxenetes cisorius Den Hartog, 1966 
France for Proxenetes deltoides Den Hartog, 1965 
France for Proxenetes puccinellicola Ax, 1960 
Germany for Messoplana elegans (Luther, 1948) Den Hartog, 1966 
Germany for Proxenetes bilioi Den Hartog, 1966 
Germany for Proxenetes intermedius Den Hartog, 1966 
Germany for Proxenetes pratensis Ax, 1960 
Het Zwin for Coelogynopora schulzii Meixner, 1938 
Het Zwin for Macrostomum balticum Luther, 1947 
Het Zwin for Macrostomum spirale Ax, 1956 
Het Zwin for Mecynostomum auritum (Schultze, 1851) 
Het Zwin for Monocelis lineata (Müller, 1773) Oersted, 1843 
Het Zwin for Proxenetes cisorius Den Hartog, 1966 
Het Zwin for Proxenetes pratensis Ax, 1960 
Het Zwin for Proxenetes puccinellicola Ax, 1960 
Het Zwin for Proxenetes puccinellicola Ax, 1960 
Het Zwin for Vejdovskya halileimonia Ax, 1960 
Netherlands for Provortex pallidus Luther, 1948 
Netherlands for Ptychopera spinifera Den Hartog, 1966 
Netherlands for Ptychopera spinifera Den Hartog, 1966 
Netherlands for Ptychopera spinifera Den Hartog, 1966 
Netherlands for Ptychopera spinifera Den Hartog, 1966 

 Status

 for Proxenetes striatus (Uljanin, 1870) Graff, 1882

Graff (1913: p.200) brought the species back in Mesostomum, and considers it a species dubia. Den Hartog mentions ... [details]

 Taxonomic remark

 for Proxenetes affinis

The name Proxenetes affinis is used twice by mistake for Provortex affinis by (Riedl, 1956). In the rest of the ... [details]