131 longipes (Achnanthes) C. Agard: Desmazières, ed. 1, 1460: Brest (Finistère) France longipes (Achnanthes) C. Agard: Desmazières, ed. 1, 1460: Cherbourg (Manche) France longipes (Achnanthes) C. Agard: Ekart, ser. 2, 234: Cornigliano Ligure (Liguría) Italy longipes (Achnanthes) C. Agard: Ekart, ser. 2, 789: Acireale (Sicilia) Italy longipes (Achnanthes) C. Agard: Eulenstein 58: Trieste (Friuli-Venezia-Giulia) Italy longipes (Achnanthes) C. Agard: Eulenstein 59: Trieste (Friuli-Venezia-Giulia) Italy longipes (Achnanthes) C. Agard: H.L. Smith 3: [No locality] longipes (Achnanthes) C. Agard: Mougeot 403: Arronanches-les-Bains (Calvados) France longipes (Achnanthes) C. Agard: Rabenhorst 1423: Kiel (Schleswig-Holstein) FRG longipes (Achnanthes) C. Agard: Rabenhorst 2043: Kiel (Schleswig-Holstein) FRG longipes (Achnanthes) C. Agard: Van Heurck 229: Baltic Sea longipes (Achnanthes) v. javanicum: Cleve & Möller 147: (Java) Indonesia longispinus (Coccinodiscus) Grunow: Cleve & Möller 276: (California) US longissima (Ceratoneis) Brébisson: H.L. Smith 336: Cherbourg (Manche) France longissima (Nitzschia) Rabenhorst 2481: Vera Cruz (Vera Cruz) Mexico longissima (Nitzschia) (Kützing) [Grunow]: Cleve & Möller 192: Rovinj (Croatia) Yugoslavia longissima (Nitzschia) Brébisson: Tilden 441: Waialua (Hawaii) US longissima (Nitzschia) Grunow: Rabenhorst 2483: Vera Cruz (Vera Cruz) Mexico longissima (Nitzschia) Grunow: Rabenhorst 2485: Laguna, Mexico longissima (Nitzschia) W. Smith: Cleve & Möller 149: (Barbados) West Indies longissima (Nitzchiella): Rabenhorst 2483: Vera Cruz (Vera Cruz) Mexico longissima (Synedra): Van Heurck 16: Wien (Uien) Austria longissima (Synedra): Van Heurck 190: Antwerp (Antwerpen) Belgium longissima (Synedra): Van Heurck 269: Haverfordwest (Dyfed) Wales longissima cf. (Synedra): Van Heurck 286: Bruxelles (Brabant) Belgium longissima (Synedra) W. Smith: Cleve & Möller 44: Santa Fiora (Toscana) Italy longissima (Synedra) W. Smith: Cleve & Möller 94: Gronowitz[?] (Silesia) Poland longissima (Synedra) W. Smith: Cleve & Möller 239: Uppsala (Uppsala) Sweden longissima (Synedra) W. Smith: H.L. Smith 564: [No locality] longissima (Synedra) W. Smith: Rabenhorst 1562: Athens, Greece longissima (Synedra) W. Smith: Rabenhorst 2411: Allahabad (Uttar Pradesh) India longissima (Synedra) v. [unnamed]: H.L. Smith 565: [No locality] longissima (Thalassiothrix) Cleve & Grunow: Cleve & Möller 118: North Atlantic Ocean longissima (Thalassiothrix) Cleve & Grunow: Cleve & Möller 207: South Pacific Ocean longissima (Thalassiothrix) Cleve & Grunow: Cleve & Möller 308: Bering Sea longissima (Thalassiothrix) Cleve & Grunow: H.L. Smith 594: Arctic Ocean longissima (Thalassiothrix) Cleve & Grunow: Van Heurck 282: Davis Strait longissima (Thalassiothrix) Cleve & Grunow v. ant物ctica: Cleve & Möller 125: Antarctic Ocean lorenziana (Cocconeis) Grunow: Cleve & Möller 154, 155: (Baleares) Spain lorenziana (Cocconeis) Grunow: Cleve & Möller 208-210: Rovinj (Croatia) Yugoslavia lorenziana (Cocconeis) Grunow: Van Heurck 545: Balchik (Tolbukhin) Bulgaria lorenziana (Cocconeis) Grunow v. [unnamed]: Cleve & Möller 102: Grip (Møre og Romsdal) Norway lorenziana (Cymatosira) Grunow: Cleve & Möller 171: Rovinj (Croatia) Yugoslavia lorenziana (Cymatosira) Grunow: Cleve & Möller 258: Pensacola Harbor (Florida) US lorenziana (Cymatosira) Grunow: Cleve & Möller 320: Pensacola (Florida) US lorenziana (Navicula) Grunow: Cleve & Möller 154, 155: (Baleares) Spain lorenziana (Navicula) Grunow: Cleve & Möller 208-210: Rovinj (Croatia) Yugoslavia lorenziana (Nitzschia) Grunow: Cleve & Möller 208-210: Rovinj (Croatia) Yugoslavia lorenzianum (Chaetoceros) Grunow: Cleve & Möller 145: (Java) Indonesia lorenzianum (Chaetoceros) Grunow: H.L. Smith 629: Hong Kong lorenzianus (Campylocdiscus) Grunow: Cleve & Möller 154, 155: (Baleares) Spain lorenzianus (Campylocdiscus) Grunow: Cleve & Möller 208-210: Rovinj (Croatia) Yugoslavia lubrica (Homoeocladia) Kützing: Ekart, ser. 2, 793: Genova (Liguria) Italy lubricum (Schizonema) Kützing: H.L. Smith 473: Arronanches-les-Bains (Calvados) France lubricum (Schizonema) Meneghini: Ekart, ser. 2, 793: Genova (Liguria) Italy ludlowiana (Nav icula) A. Schmidt f. minor: Cleve & Möller 264: Shasta County (California) US lunaris (Biddulphia) Ehrenberg: Cleve & Möller 257: [Long Bay] (South Carolina) US lunaris (Eunotia): Van Heurck 17: Carmarthen (Dyfed) Wales lunaris (Eunotia): Van Heurck 162: Croft head (Dumfries & Galloway) Scotland lunaris (Eunotia): Van Heurck 163: Ben Lomond (Central) Scotland lunaris (Eunotia): Van Heurck 269: Haverfordwest (Dyfed) Wales