Chaetoceros scriptus Frenguelli, 1949 (original description)
Chaetoceros surirella Frenguelli, 1949 (original description)
Chaetoceros tiltilensis Frenguelli, 1949 (original description)
Cocconeis dirupta var. chilensis Frenguelli, 1949 (original description)
Cocconeis dirupta var. triumphis (Hanna & Grant) Frenguelli, 1949 accepted as
Cocconeis triumphis Hanna & Grant, 1926 (new combination reference)
Detonia J. Frenguelli, 1949 accepted as
Neodetonia S. Blanco, 2011 (original description)
Detonia superba (C.Janisch) J.Frenguelli, 1949 accepted as
Cocconeis superba C.Janisch, 1861 (new combination reference)
Dimeregramma maculatum (Cleve) Frenguelli, 1949 (new combination reference)
Dimeregramma tiltilense Frenguelli, 1949 (original description)
Dimeregramma tiltilense var. biconstricta Frenguelli, 1949 (original description)
Diploneis adonis var. tiltilensis Frenguelli, 1949 (original description)
Grammatophora mejillonis Frenguelli, 1949 (original description)
Grammatophora tiltilensis Frenguelli, 1949 (original description)
Hemidiscus rotundus f. simplicissima (Hanna & Grant) Frenguelli, 1949 accepted as
Hemidiscus simplicissimus Hanna & Grant, 1926 (new combination reference)
Nitzschia baculum Frenguelli, 1949 † (original description)
Nitzschia porteri Frenguelli, 1949 † (original description)
Nitzschia tiltilensis Frenguelli, 1949 † (original description)
Opephoropsis tiltilensis Frenguelli, 1949 (original description)
Plagiogramma robustum (Brun in Brun & Tempère) Frenguelli, 1949 (new combination reference)
Pleurosigma affine var. temperei Frenguelli, 1949 (original description)
Pseudonitzschia fossilis (original description)
Pseudonitzschia fossilis var. fossilis Frenguelli, 1949 (original description)
Pseudonitzschia fossilis var. ovalis Frenguelli, 1949 (original description)
Rhaphoneis tiltilensis Frenguelli, 1949 † accepted as
Delphineis tiltilensis (Frenguelli) Sar & Sala, 2009 † (original description)
Stephanopyxis furcata (Grove ex Rattray) Frenguelli, 1949 (new combination reference)
Stephanopyxis megastoma Frenguelli, 1949 (original description)
Stephanopyxis porteri Frenguelli, 1949 (original description)
Stephanopyxis tiltilensis Frenguelli, 1949 (original description)
Trachyneis hungarica (Pantocsek) Frenguelli, 1949 accepted as
Navicula aspera var. hungarica Pantocsek, 1889 (new combination reference)
Triceratium andetiluvianum var. temperei Frenguelli, 1949 (original description)
Triceratium antediluvianum var. temperei J.Frenguelli † accepted as
Amphitetras antediluviana var. temperei (Frenguelli) Sar & Sala, 2009 † (original description)
Tryblionella tiltilensis Frenguelli, 1949 † (original description)
Antofagasta for
Chaetoceros scriptus Frenguelli, 1949
Antofagasta for
Chaetoceros tiltilensis Frenguelli, 1949
Antofagasta for
Cocconeis dirupta var. chilensis Frenguelli, 1949
Antofagasta for
Delphineis tiltilensis (Frenguelli) Sar & Sala, 2009 †
Antofagasta for
Grammatophora mejillonis Frenguelli, 1949
Antofagasta for
Pleurosigma affine var. temperei Frenguelli, 1949
Antofagasta for
Pseudonitzschia fossilis
Antofagasta for
Stephanopyxis megastoma Frenguelli, 1949
Antofagasta for
Triceratium antediluvianum var. temperei J.Frenguelli †
Chile Central for
Chaetoceros scriptus Frenguelli, 1949
Chile Central for
Chaetoceros surirella Frenguelli, 1949
Chile Central for
Chaetoceros tiltilensis Frenguelli, 1949
Chile Central for
Cocconeis dirupta var. chilensis Frenguelli, 1949
Chile Central for
Dimeregramma tiltilense Frenguelli, 1949
Chile Central for
Dimeregramma tiltilense var. biconstricta Frenguelli, 1949
Chile Central for
Diploneis adonis var. tiltilensis Frenguelli, 1949
Chile Central for
Grammatophora tiltilensis Frenguelli, 1949
Chile Central for
Nitzschia baculum Frenguelli, 1949 †
Chile Central for
Nitzschia porteri Frenguelli, 1949 †
Chile Central for
Nitzschia tiltilensis Frenguelli, 1949 †
Chile Central for
Opephoropsis tiltilensis Frenguelli, 1949
Chile Central for
Pseudonitzschia fossilis
Chile Central for
Rhaphoneis tiltilensis Frenguelli, 1949 †
Chile Central for
Stephanopyxis megastoma Frenguelli, 1949
Chile Central for
Stephanopyxis porteri Frenguelli, 1949
Chile Central for
Stephanopyxis tiltilensis Frenguelli, 1949
Chile Central for
Tryblionella tiltilensis Frenguelli, 1949 †