Brachionus quadridentatus: dorsal view; focus plane on the dorsal spines of the anterior part of the lorica. |
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Brachionus quadridentatus: dorsoventral view; focal plane on the anterior ventral margin of the lorica. |
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Brachionus quadridentatus: trophi. |
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Brachionus quadridentatus: dorsoventral view; the length of the anterior spines may vary. |
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Brachionus quadridentatus: specimen with amictic eggs and peritrich ciliated epibionts . |
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Brachionus quadridentatus: sometimes this species is infested by parasites, here: Bertramia asperospora (Plistophora asperospora) |
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Location: Gevelsberg, Grünes Klassenzimmer (pond) |
Habitat: plankton |
Date: 18.3.2006 |
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