heterokont

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Related to Heterokontophyta: Stramenopiles

heterokont

[′hed·ə·rō‚känt]
(biology)
An individual, especially among certain algae, having unequal flagella.
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The divisions Heterokontophyta and Cyanophyta were also found in the samples, representing 27% and 14% respectively, Dinophyta had a smaller contribution to the gastrointestinal content representing only 5% of the total number of taxa (see Figure 3).
50% of the species from the division Heterokontophyta were classified as frequent (F) and the other half as infrequent (IF).
Regarding the gastrointestinal phytoplankton contents, 68% of the Heterokontophyta species were classified as very frequent (VF), 16% as frequent (F) and the remaining 16% as infrequent (IF).
Por lo que respecta a Heterokontophyta (Clase Phaeophyceae), el grupo mas numeroso es Dictyotaceae con 14 especies; mientras que en Chlorophyta las mas importantes son Caulerpaceae con 18, Cladophoraceae con 16 y Udoteaceae con 14.
En cuanto a Heterokontophyta, 95% de sus representantes se encontro en reproduccion.
Howe C1 HETEROKONTOPHYTA Clase Phaeophyceae Orden Dictyotales Dictyotaceae 41.
This trend is verified in members of other classes of the algal lineage Heterokontophyta (= Ochrophyta), such as the chrysophyceans, the bolidophyceans, and the pinguio-phyceans, among others (Reviers, 2006).
Bacillariophyta was represented by 28, Chlorophyta by 25, Cyanophyta by 11, Heterokontophyta by 7, Cryptophyta by 3, Pyrrophyta by 2, and Euglenophyta by 1 species, respectively (Table 1).
Mallomonas caudata (44 cells [mL.sup-1]) and Dinobryon divergens (Imhof) (15 cells [mL.sup.-1]) in the genera of Heterokontophyta; Rhodomans minuta (16 cells [mL.sup.-1]) in Cryptophyta; Cyclotella glomerata (18 cells [mL.sup.-1]), Melosira garanulata (15 cells [mL.sup.-1]), Navicula petersenii (Hustedt) (12 cells [mL.sup.-1]), Tabellaria fenestrata (7 cells [mL.sup.-1], Synedra ulna (4 cells [mL.sup.-1]), and Asterionella formosa (Hassall) (6 cells [mL.sup.-1]) in Bacillariophyta; Chlamydomonas polypyrenoideum (20 cells [mL.sup.-1]) and Coelastrum limneticum (Lemmermann) (18 cells [mL.sup.-1]) in Chlorophyta; Oscillatoria limnetica (Lemmermann) (11 cells [mL.sup.-1]) and Chroococcus limeticus (Lemmermann) (20 cells [mL.sup.-1]) in Cyanophyta, respectively.
At 2.0 and 10 in, the species diversity of Heterokontophyta was mainly represented by Mallomonas caudate, Chlorophyta by Chlamydomonas polypyrenoideum, Bacillariophyta by Melosira granulata and Asterionella formosa, respectively.