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Abstract
This communication reports the first evidence of the presence of cephalochordate Amphioxus genus Branchiostoma from the intertidal sandy beach of Clifton, Karachi, Pakistan. During the analysis of macrobenthic fauna, individuals of lancelets were observed and separated for identification. Their morphometric characters were studied and measured. Most of the specimens were juvenile or in immature phase. The average body length of Branchiostoma sp. was 16.87±4.53 mm. No previous records of this genus are available in literature and it is the first report of Branchiostoma sp. from the sandy beach of Clifton, Karachi.

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Saira Ishaq, Ghazala Siddiqui. (2017) AMPHIOXUS- BRANCHIOSTOMA (CHORDATA: CEPHALOCHORDATA) : FIRST REPORT OF ITS OCCURRENCE FROM THE INTERTIDAL SOFT SEDIMENT BENTHIC HABITAT OF CLIFTON BEACH, KARACHI, PAKISTAN (NORTHERN ARABIAN SEA), , Volume 14, Issue 3.
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International Journal of Biology and Biotechnology
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Volume 14
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