Protozoa Guide review

Bursostoma

genus / HYMENOSTOMATIDA / GLAUCOMIDAE

Description

Oral cavity an anterior depression enc ircled on its right side by 8-10 vestibular kineties ; broad polykinetid 2 bordered by long er polykinetids 1 and 3; carnivorous (Fig . 17) . SUBORDER OPHRYOGLENINA Canella, 1964 With organelle of Li eberku hn ; histophagous parasites of invertebrates or fi sh; compl ex I i fe cycles (Figs . 2, 3 above) ; a swimm ing theront (dispersal) stage; resting cysts occur; two fam ilies . t B. Anterior pole . (from Ganner et al., 1988) b 9 <9 e? 1. Th eront has Tetra hym ena-l ike microstome ; trophont's oral ci li a reduced ; ectoparasites of fis h .. . ...... ................... .. .. lchthyophthi rii 1'. Oral apparatus of trophont complex with posterior of polykinetid 2 enlarged , its cilia beating like a small brush; histophagous on dying or dead invertebrates ... Ophryog lenidae l (from Corliss , 1979) B. Oral detail of th eront. (from Cane ll a and Rocchi-Canella , 1976)

Type species

Figures

Figure 17
Fig. 17
Bursostoma bursaria. A. Right lateral surface.

Raw text

Oral cavity an anterior depression enc ircled on
its right side by 8-10 vestibular kineties ; broad
polykinetid 2 bordered by long er polykinetids 1 and
3; carnivorous (Fig . 17) .
SUBORDER OPHRYOGLENINA Canella, 1964
With organelle of Li eberku hn ; histophagous
parasites of invertebrates or fi sh; compl ex I i fe
cycles (Figs . 2, 3 above) ; a swimm ing theront
(dispersal) stage; resting cysts occur; two
fam ilies .
t
B. Anterior pole . (from Ganner et al., 1988)
b
9 <9 e?
1. Th eront has Tetra hym ena-l ike microstome ;
trophont's oral ci li a reduced ; ectoparasites of
fis h .. . ...... ................... .. .. lchthyophthi rii
1'. Oral apparatus of trophont complex with
posterior of polykinetid 2 enlarged , its cilia
beating like a small brush; histophagous on
dying or dead invertebrates ... Ophryog lenidae
l
(from Corliss , 1979) B. Oral detail of th eront. (from
Cane ll a and Rocchi-Canella , 1976)