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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Trimastix

[ref. ID; 5694]
Circumscription; Amitochondriate excavate flagellate with four flagella inserting at the head of a ventral feeding groove in a cruciate pattern. Heterotrophic and free living. (ref. ID; 5694)
Ultrastructural identity; Without mitochondria. Four basal bodies with three major microtubular roots, two supporting the margins of a ventral gutter and both with associated fibrous threads. Cell dorsally with supporting microtubules arising indirectly from one microtubular root. Cell surface naked, no extrusomes, dictyosomes in at least one species, recurrent flagellum with two opposed flagellar vanes. Mitosis not described ultrastructurally. (ref. ID; 5694)
Synapomorphy; None specified. (ref. ID; 5694)
Composition; Three species. (ref. ID; 5694)
Reference; Brugerolle and Patterson 1997. (ref. ID; 5694)
  1. Trimastix marina (ref. ID; 4980)
  2. Trimastix pyriformis (ref. ID; 4980)