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Image of Brachionus caudatus Barrois & Daday 1894
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Brachionus caudatus Barrois & Daday 1894

Diagnostic Description

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Two small anteromedian spines; anterointermediate and anterolateral spines absent or highly reduced. Two divergent posterior spines.

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Leasi, Francesca
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Leasi, Francesca

Distribution

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This species is frequently found in the tropical and subtropical areas of South America, Africa and Sri Lanka.

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Leasi, Francesca
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Leasi, Francesca

Habitat

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Pelagic; marine, freshwater.

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Leasi, Francesca
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Leasi, Francesca

Morphology

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Brachionus caudatus is considered as one of the most variable species of the genus. The typical form is characterised by body length to width ratio > 1; anterodorsal margin with two central spines separated by a sinus; undulate ventral margin; posterior spines long, slightly curved inwards and arising from a posterior narrowness of the body.

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Leasi, Francesca
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Leasi, Francesca

Size

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Body length is 136 - 260 µm, body width is 95 - 130 µm, posterolateral spines 32-128 µm, distance between anterolateral spines 71-88 µm.

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Leasi, Francesca
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Leasi, Francesca

Biogeography

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Australis
Palaearctis
Nearctis
Orientalis
Afrotropis
Neotropis
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Collection specimen

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Non-type voucher specimen for Brachionus caudatus Barrois et Daday, 1894
Catalog number: 0601
Collection: Academy of Natural Sciences of Drexel University, Philadelphia, USA
Prepared by: Myers, F J
Sex/stage/structure: female
Preparation: Slide Preparation
Specimen Count: 1
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Rotifers of the World

Collection specimen

provided by Rotifers of the World
Non-type voucher specimen for Brachionus caudatus Barrois et Daday, 1894
Catalog number: 0531
Collection: Academy of Natural Sciences of Drexel University, Philadelphia, USA
Prepared by: Myers, F J
Sex/stage/structure: females
Preparation: Slide Preparation
Specimen Count: 2
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Rotifers of the World