Adenogaster Looss, 1901 (original description)
Adenogaster serialis Looss, 1901 (original description)
Amphistomum spinulosum Looss, 1901 accepted as Schizamphistomoides spinulosus (Looss, 1901) Stunkard, 1925 (original description)
Calycodes Looss, 1901 (original description)
Calycodes anthos (Braun, 1899) Looss, 1901 (new combination reference)
Charaxicephalus Looss, 1901 (original description)
Charaxicephalus robustus Looss, 1901 (original description)
Enodiotrema instar Looss, 1901 (original description)
Enodiotrema megachondrus (Looss, 1899) Looss, 1901 (new combination reference)
Enodiotrema reductum Looss, 1901 (original description)
Glyphicephalus Looss, 1901 accepted as Pleurogonius Looss, 1901 (original description)
Glyphicephalus crassus Looss, 1901 accepted as Epibathra crassus (Looss, 1901) Looss, 1902 accepted as Pyelosomum crassum (Looss, 1901) Ruiz, 1946 (original description)
Glyphicephalus lobatus Looss, 1901 accepted as Pleurogonius lobatus (Looss, 1901) Ruiz, 1946 (original description)
Glyphicephalus solidus Looss, 1901 accepted as Pleurogonius solidus (Looss, 1901) Ruiz, 1946 (original description)
Lophotaspis Looss, 1901 (original description)
Lophotaspis adhaerens Looss, 1901 accepted as Lophotaspis vallei (Stossich, 1899) Looss, 1902 (original description)
Microscaphidium parallelum Looss, 1901 accepted as Angiodictyum parallelum (Looss, 1901) Looss, 1902 (original description)
Microscaphidium reticulare (Van Beneden, 1859) Looss, 1901 (new combination reference)
Microscaphidium sagitta (Looss, 189) Looss, 1901 accepted as Octangium sagitta (Looss, 1899) Looss, 1902 (new combination reference)
Pachypsolus Looss, 1901 (original description)
Pachypsolus lunatus Looss, 1901 accepted as Pachypsolus irroratus (Rudolphi, 1819) Looss, 1902 (original description)
Pleurogonius Looss, 1901 (original description)
Pleurogonius bilobus Looss, 1901 (original description)
Pleurogonius linearis Looss, 1901 (original description)
Pleurogonius longiusculus Looss, 1901 (original description)
Pleurogonius minutissimus Looss, 1901 (original description)
Pleurogonius trigonocephalus (Rudolphi, 1809) Looss, 1901 (new combination reference)
Pronocephalus obliquus Looss, 1899 (original description)
Rhytidodes Looss, 1901 (original description)
Rhytidodes gelatinosus (Rudolphi, 1819) Looss, 1901 (new combination reference)

Adriatic Sea for Pachypsolus lunatus Looss, 1901 
Adriatic Sea for Rhytidodes gelatinosus (Rudolphi, 1819) Looss, 1901 
Egyptian Exclusive Economic Zone for Charaxicephalus robustus Looss, 1901 
Egyptian Exclusive Economic Zone for Enodiotrema instar Looss, 1901 
Egyptian Exclusive Economic Zone for Enodiotrema megachondrus (Looss, 1899) Looss, 1901 
Egyptian Exclusive Economic Zone for Enodiotrema reductum Looss, 1901 
Egyptian Exclusive Economic Zone for Glyphicephalus crassus Looss, 1901 
Egyptian Exclusive Economic Zone for Glyphicephalus lobatus Looss, 1901 
Egyptian Exclusive Economic Zone for Glyphicephalus solidus Looss, 1901 
Egyptian Exclusive Economic Zone for Lophotaspis adhaerens Looss, 1901 
Egyptian Exclusive Economic Zone for Microscaphidium parallelum Looss, 1901 
Egyptian Exclusive Economic Zone for Pleurogonius bilobus Looss, 1901 
Egyptian Exclusive Economic Zone for Pleurogonius linearis Looss, 1901 
Egyptian Exclusive Economic Zone for Pleurogonius longiusculus Looss, 1901 
Egyptian Exclusive Economic Zone for Pleurogonius minutissimus Looss, 1901 
Egyptian Exclusive Economic Zone for Rhytidodes gelatinosus (Rudolphi, 1819) Looss, 1901 
Egyptian part of the Mediterranean Sea - Eastern Basin for Amphistomum spinulosum Looss, 1901