Description of Entosiphon
provided by BioPedia
Heteronematine euglenids, colourless, phagotrophic, rigid, slightly flattened cells, with longitudinal fluting and ridges; ingestion organelle composed of rods fused together to make a protrusible tube (siphon); cytostome separate from canal opening but both lie in a common apical depression; both flagella emergent, unequal in length and thickness, one directed anteriorly when gliding, the other trailing; not very speciose, but common and cosmopolitan in freshwater ponds and lakes; very similar to Ploeotia from which it is distinguished by the protrusibility of the siphon; type species: Entosiphon sulcatum (Dujardin, 1841) Stein, 1878
Classification
provided by World Register of Marine Species
This authority places the genus under the family Heteronematidae.
Hayward, P.J. & J.S. Ryland (Eds.). (1990). The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. Clarendon Press: Oxford, UK. 627 pp.
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