Description:-

Anteromedian spines have broad base, posterior spines are often present. Lorica is smooth and transparent; appears as one piece. Body length is 180 - 570 µm, body width is 124-300 µm, posterolateral spines 0-115 µm, anterolateral dorsal spines 15-95µm, anteromedian dorsal spines 25-200µm. Size: Length of lorica 168-228 µm; maximum width of lorica 105-154 µm. Lorica flexible, oval, not separated into dorsal and ventral plates. Body slightly compressed dorso-ventrally, anterior dorsal margin with four broad-based spines of variable length, medians longer than laterals. Mental margin flexible, usually somewhat elevated, with shallow V- or U-shaped notch, unflanked. Posterior spines present or absent. Posterolateral spines usually absent. Lorica smooth or lightly stippled

Threats:-

Not recorded

Remark:-

Recorded from the backwaters of Kerala

Habitat:-

Estuarine

Synonyms:-

References:-

Gopakumar, G. 1998. Studies on brackishwater rotifers of Kerala with special reference to B. plicatilis O. F. Muller as live feed for aquaculture. Ph. D. thesis, University of Kerala.
Molly Varghese, L.Krishnan and V.J. Kuttyamma (2006). Systematic account on rotifers of the genus Brachionus from CochinBackwaters. J. Mar. Biol. Ass. India, 48 (2) : 147 - 155
Molly Varghese and L. Krishnan 2013. Brachionus species distribution in relation to environmental characteristics in Cochin backwaters, Kerala, South India. Indian J. Fish., 60(1) : 133-138.

http://en.wikipedia.org/wiki/Brachionus_calyciflorus
http://cfb.unh.edu/CFBKey/html/Organisms/PRotifera/GBrachionus/brachionus_calyciflorus/brachionuscalyciflorus.html
http://www.biosearch.in/publicOrganismPage.php?id=131268