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Fig. 4 | BMC Evolutionary Biology

Fig. 4

From: Phylogeny of the ciliate family Psilotrichidae (Protista, Ciliophora), a curious and poorly-known taxon, with notes on two algae-bearing psilotrichids from Guam, USA

Fig. 4

Psilotrichides hawaiiensis in the scanning electron microscope. a Ventral view of a representative individual, showing cirral pattern and the long terminal cirrus, arrowheads indicate dorsal bristles. b Lateral view, showing the distinctly curved paroral membrane and the obliquely truncated anterior body end. c Details of undulating membranes and buccal ridge (arrowhead). d Lateral view of a very early divider, showing the oral primordium of opisthe and structure of oral apparatus, arrowhead shows the buccal ridge. e–h Dorsal (e, h) and lateral (f, g) views, showing dorsal kineties, distinctly curved paroral membrane and the obliquely truncated anterior body end. AZM, adoral zone of membranelles; EM, endoral membrane; OP, oral primordium; PM, paroral membrane; RM, right marginal row; SC, scutum; TC, terminal cirrus; 1–3, dorsal kineties. Scale bars: 15 μm

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BMC Ecology and Evolution

ISSN: 2730-7182

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