Bacillariophytes (Diatoms)
- A384 Gyrosigma sp. Large sigmoid diatom excellent for showing typical gliding movement
- A375 Asterionella formosa A star shaped (stellate), planktonic diatom and a very good introductory species for illustrating the intriguing morphology and diversity of ...
- A379 Fragilaria crotonensis An excellent filamentous sp. Isolated from Crosemere.
- A386 Melosira varians A filamentous, centrale diatom with circular valves, the frustules are linked end to end by mucilaginous secretion to form long ...
- A389 Navicula sp. Characteristic 'boat-shaped' valves with distinct raphe.
- A398 Nitzschia sp. A typical freshwater pennate diatom having two axially adjacent chromatophores. Cells show typical gliding movement.
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A403 Nitzschia longissima
An exemplary, marine planktonic species with long tapering frustules terminating in needle-like spines.
- A408 Phaeodactylum tricornutum A prolific marine 'food diatom' for aquaculture use.
- A411 Pinnularia nobilis A large, ornamented pennate species; an aristocrat amongst diatoms.
- A415 Stauroneis sp. An excellent example of a large pennate diatom. Lanceolate frustules with intense brown pigment.
- A420 Stephanodiscus sp. A round (centric) planktonic diatom from Crosemere.
- A425 Synedra sp. Large, elongated pennate diatom.
- A428 Tabellaria sp. Long chains of rectangular frustules linked together in characteristic zig-zag fashion
- A383 Gomphonema sp. Large pennate with undulating frustules
- A377 Cymatopleura solea Attractive undulating frustules.
- A377 Cyclotella cryptica Small marine circular (centrale) diatom.