Home / Diatoms / Pennate / Unicells / Biraphes / Asymmetric / Amphora
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Name derivation:
Greek amphor meaning a two eared pitcher of flask.
Classification:
Actinella Lewis 1863, described from a shallow spring-fed pond in NH USA. Genus Titiella was later proposed but not retained. Order: Eunotiales; Family: Eunotiaceae
Morphology:
Similar Genera:
Differs from Desmogonium, Eunophora, Eunotia and Semiorbis in being asymmetrical about the median transapical plane, and from Peronia in the marginal, not subcentral, position of the raphe (Sabbe et al. 2001).
Habitat:
Toxicity:
References:
Lewis, F.W. 1863. On some new and singular intermediate forms of diatomaceae. Proc. Acad. Nat. Sci. Philad. 15:336-346. Sabbe, K., K. Vanhoutte, R.L. Lowe, E.A. Bergey, B.J.F. Biggs, S. Francoeur, D. Hodgson and W. Vyverman 2001. Six new Actinella (Bacillariophyta) species from Papua New Guinae, Australia and New Zealand: further evidence for widespread diatom endemism in the Australasian region. Eur. J. Phycol. 36:321-340.