Amphora bigibba var. capitata R.Hagelstein, 1939 (additional source)
Caloneis liber var. incerta Hagelstein, 1939 (additional source)
Campylodiscus cordatus Hagelstein, 1939 (additional source)
Cocconeis singularis Hagelstein, 1939 (additional source)
Cyclotella insolita Hagelstein, 1939 (additional source)
Cymbella coamoensis Hagelstein, 1939 (additional source)
Diploneis gravelleana Hagelstein, 1939 (additional source)
Diploneis smithii var. adversa R.Hagelstein (additional source)
Eunotia indica var. undulata Hagelstein, 1939 (additional source)
Eunotia lunaris var. duolineata Hagelstein, 1939 (additional source)
Gomphonema carolinense Hagelstein, 1939 (additional source)
Gyrosigma acuminatum var. angulatum Hagelstein, 1939 (additional source)
Gyrosigma variipunctatum Hagelstein, 1939 (additional source)
Gyrosigma variistriatum Hagelstein, 1939 (additional source)
Homoeocladia vidovichii var. nodulosa Hagelstein, 1939 (additional source)
Mastogloia obliqua Hagelstein, 1939 (additional source)
Mastogloia sancti-johannis Hagelstein, 1939 (additional source)
Navicula congerana Hagelstein, 1939 (additional source)
Navicula expansa Hagelstein, 1939 accepted as
Navicula zeta Cleve, 1895 (additional source)
Navicula guaynaboensis Hagelstein, 1939 (additional source)
Navicula howeana Hagelstein, 1939 accepted as
Haslea howeana (Hagelstein) Giffen, 1980 (additional source)
Navicula incomposita var. incomposita Hagelstein, 1939 (additional source)
Navicula incomposita var. minor Hagelstein, 1939 (additional source)
Navicula lyra var. irregularis Hagelstein, 1939 (additional source)
Navicula mannii Hagelstein, 1939 (additional source)
Navicula tubulosa var. rhomboidea Hagelstein, 1939 (additional source)
Nitzschia brittonii Hagelstein, 1939 (additional source)
Nitzschia hemistriata Hagelstein, 1939 (additional source)
Pinnularia latevittata var. minor Hagelstein ex Kociolek, 2003 (original description)
Lectotype CAS, identified as
Amphora bigibba var. capitata R.Hagelstein, 1939
Holotype CAS, identified as
Caloneis liber var. incerta Hagelstein, 1939
Lectotype CAS, identified as
Campylodiscus cordatus Hagelstein, 1939
Holotype CAS, identified as
Cocconeis singularis Hagelstein, 1939
Lectotype CAS, identified as
Cyclotella insolita Hagelstein, 1939
Isotype CAS, identified as
Cyclotella insolita Hagelstein, 1939
Lectotype CAS, identified as
Cymbella coamoensis Hagelstein, 1939
Lectotype CAS, identified as
Diploneis gravelleana Hagelstein, 1939
Lectotype CAS, identified as
Diploneis smithii var. adversa R.Hagelstein
Lectotype CAS, identified as
Eunotia indica var. undulata Hagelstein, 1939
Lectotype CAS, identified as
Eunotia lunaris var. duolineata Hagelstein, 1939
Lectotype CAS, identified as
Gomphonema carolinense Hagelstein, 1939
Lectotype CAS, identified as
Gyrosigma acuminatum var. angulatum Hagelstein, 1939
Holotype CAS, identified as
Gyrosigma variipunctatum Hagelstein, 1939
Holotype CAS, identified as
Gyrosigma variistriatum Hagelstein, 1939
Lectotype CAS, identified as
Homoeocladia vidovichii var. nodulosa Hagelstein, 1939
Holotype CAS, identified as
Mastogloia obliqua Hagelstein, 1939
Holotype CAS, identified as
Mastogloia sancti-johannis Hagelstein, 1939
Lectotype CAS, identified as
Navicula congerana Hagelstein, 1939
Holotype CAS, identified as
Navicula expansa Hagelstein, 1939
Lectotype CAS, identified as
Navicula guaynaboensis Hagelstein, 1939
Isotype CAS, identified as
Navicula incomposita var. incomposita Hagelstein, 1939
Lectotype CAS, identified as
Navicula incomposita var. minor Hagelstein, 1939
Lectotype CAS, identified as
Navicula lyra var. irregularis Hagelstein, 1939
Lectotype CAS, identified as
Navicula mannii Hagelstein, 1939
Lectotype CAS, identified as
Navicula tubulosa var. rhomboidea Hagelstein, 1939
Lectotype CAS, identified as
Nitzschia hemistriata Hagelstein, 1939
Lectotype CAS, identified as
Pinnularia latevittata var. minor Hagelstein ex Kociolek, 2003