Echinoderes acercus Reinhard, 1885 accepted as Leptodemus acercus (Reinhard, 1887) accepted as Kinorhynchus acercus (Reinhard, 1885) (new combination reference)
Echinoderes agigens Bacescu, 1968 (original description)
Echinoderes dubius Reinhard, 1885 accepted as Leptodemus dubius (Reinhard, 1887) accepted as Kinorhynchus dubius (Reinhard, 1885) (additional source)
Echinoderes parvulus Reinhard, 1881 accepted as Leptodemus parvulus (Reinhard, 1881) accepted as Kinorhynchus parvulus (Reinhard, 1881) (additional source)
Echinoderes pellucidus Reinhard, 1881 accepted as Hyalophyes pellucidus (Reinhard, 1881) accepted as Pycnophyes kielensis Zelinka, 1928 accepted as Setaphyes kielensis (Zelinka, 1928) Sánchez, Yamasaki, Pardos, Sørensen & Martínez, 2016 (new combination reference)
Kinorhyncha (identification resource)
Leptodemus acercus (Reinhard, 1887) accepted as Kinorhynchus acercus (Reinhard, 1885) (new combination reference)
Pycnophyes acercus (Reinhard, 1885) Bacescu, 1968 accepted as Kinorhynchus acercus (Reinhard, 1885) (new combination reference)
Pycnophyes acercus (Reinhard, 1885) Bacescu, 1968 accepted as Kinorhynchus acercus (Reinhard, 1885) (original description)
Pycnophyes dubius (Reinhard, 1885) accepted as Kinorhynchus dubius (Reinhard, 1885) (new combination reference)
Pycnophyes metschnikoffi (Reinhard, 1885) accepted as Kinorhynchus metschnikowii (Reinhard, 1885) (new combination reference)
Pycnophyes neapolitanus Bacescu, 1968 accepted as Pycnophyes ponticus (Reinhard, 1881) accepted as Fujuriphyes ponticus (Reinhard, 1881) Sánchez, Yamasaki, Pardos, Sørensen & Martínez, 2016 (original description)
Pycnophyes parvulus (Reinhard, 1881) accepted as Kinorhynchus parvulus (Reinhard, 1881) (new combination reference)
Pycnophyes pellucidus (Reinhard, 1881) Bacescu, 1968 accepted as Pycnophyes kielensis Zelinka, 1928 accepted as Setaphyes kielensis (Zelinka, 1928) Sánchez, Yamasaki, Pardos, Sørensen & Martínez, 2016 (new combination reference)
Pycnophyes ponticus (Reinhard, 1881) accepted as Fujuriphyes ponticus (Reinhard, 1881) Sánchez, Yamasaki, Pardos, Sørensen & Martínez, 2016 (new combination reference)

Syntype Private uncatalogued, geounit Black Sea, identified as Pycnophyes neapolitanus Bacescu, 1968
Syntype Private uncatalogued, geounit Romanian Exclusive economic Zone, identified as Echinoderes agigens Bacescu, 1968
Nontype uncatalogued, geounit Romanian Exclusive economic Zone, identified as Echinoderes dujardinii Claparède, 1863
Nontype Private uncatalogued, geounit Romanian part of the Black Sea, identified as Pycnophyes kielensis Zelinka, 1928
Nontype uncatalogued, geounit Ukrainian part of the Black Sea, identified as Echinoderes dujardinii Claparède, 1863