Bacillariophyceae (Class) > Bacillariophycidae (Subclass) > Bacillariophycanae (Superorder) > Achnanthales (Order) > Achnanthaceae (Family)
Achnanthes
    Achnanthes sp. - A marine diatom
Bacillariophyceae (Class) > Bacillariophycidae (Subclass) > Bacillariophycanae (Superorder) > Achnanthales (Order) > Cocconeidaceae (Family)
Cocconeis
      Cocconeis sp. - A marine diatom
Bacillariophyceae (Class) > Bacillariophycidae (Subclass) > Bacillariophycanae (Superorder) > Naviculales (Order) > Neidiineae (Suborder) > Berkeleyaceae (Family)
Berkeleya
      Berkeleya rutilans (Trentepohl ex Roth) Grunow, 1880 ?
      - A Marine diatom
    Berkeleya sp. found on flotsam - A marine diatom
Parlibellus
      Parlibellus delognei (Van Heurck) E.J.Cox, 1988 ?
    - A marine diatom
Bacillariophyceae (Class) > Coscinodiscophycidae (Subclass) > Biddulphianae (Superorder) > Biddulphiales (Order) > Biddulphiaceae (Family)
Isthmia
    Isthmia nervosa Kützing, 1844 - A marine diatom
Bacillariophyceae (Class) > Coscinodiscophycidae (Subclass) > Coscinodiscanae (Superorder) > Coscinodiscales (Order) > Coscinodiscaceae (Family)
Coscinodiscus
      Coscinodiscus radiatus Ehrenberg, 1840 
      - A centric diatom
      Coscinodiscus wailesii Gran & Angst, 1931 ? 
      - A centric diatom
Bacillariophyceae (Class) > Coscinodiscophycidae (Subclass) > Coscinodiscanae (Superorder) > Melosirales (Order) > Hyalodiscaceae (Family)
Podosira
    Podosira stelligera (Bailey) A.Mann, 1907    - A diatom
Bacillariophyceae (Class) > Coscinodiscophycidae (Subclass) > Coscinodiscanae (Superorder) > Melosirales (Order) > Melosiraceae (Family)
Melosira
      Melosira moniliformis (O.F.Müller) C.Agardh, 1824 ? 
    - A marine diatom
Bacillariophyceae (Class) > Fragilariophycidae (Subclass) > Fragilariophycanae (Superorder) > Licmophorales (Order) > Licmophoraceae (Family)
Licmophora
      Licmophora flabellata (Grev.) C.Agardh, 1831 
      - A pennate Diatom
      Licmophora sp. - Diatom on the hydroid Obelia geniculata
    Licmophora sp. 
    - As a symbiont of the flatworm Convoluta convoluta
Bacillariophyceae (Class) > Fragilariophycidae (Subclass) > Fragilariophycanae (Superorder) > Striatellales (Order) > Striatellaceae (Family)
Grammatophora
      Grammatophora marina (Lyngbye) Kützing, 1844 ? 
    - A marine diatom
Striatella
      Striatella unipunctata (Lyngbye) C.Agardh, 1832 
    - A marine diatom
Bacillariophyceae (Class) > Fragilariophycidae (Subclass) > Fragilariophycanae (Superorder) > Thalassionematales (Order) > Thalassionemataceae (Family)
Thalassionema
      Thalassionema nitzschioides (Grunow) Mereschkowsky, 1902 ? - A marine diatom
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An assemblage of diatoms on the 
red alga Dumontia contorta. 26.05.16
An assemblage of diatoms on the red 
    encrusting alga Lithothamnion. 15.02.17.
