Dorsal surface

Portrait (dorsal surface) of the colorless benthic marine protist, Stephanopogon apogon (Borror, 1965). The closest relatives of Stephanopogon are currently uncertain. Once thought to be a ciliate, electron microscopic studies of S. apogon revealed absence of ciliate characteristics such as pellicular alveoli, infraciliature (e.g. kinetodesmal fibrils, postciliary microtubules and transverse microtubules) and nuclear dualism. S. apogon is elongate and moderately dorsoventrally flattened. The cell is curved slightly to the right. The posterior is round and the anterior end obliquely truncate. There are approximately 6-8 longitudinal files of smooth flagella limited to the ventral surface. The anterior apical cytostome is slit-like and bordered by a slightly raised lip. There are 2-16 homokaryotic nuclei (not seen here). Division occurs while encysted (palintomy). Collected from a commercial saltwater aquarium in Boise, Idaho September 2004. DIC.  Image by Bill Bourland, he uses a Zeiss Axioskop 2 with a Spot Insight CCD camera (Diagnostic Instruments). Image copyright: William Bourland, image used under license to MBL (micro*scope).

Stephanopogon apogon

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Stephanopogon apogon in this collection

Stephanopogon apogon Ventral surface

Stephanopogon apogon Feeding

Stephanopogon apogon Portrait

Stephanopogon apogon Portrait

Stephanopogon apogon in other collections

Stephanopogon apogon, from Heterotrophic flagellates of marine habitats	Stephanopogon apogon, from Drawings of flagellates	Stephanopogon apogon, from Images by Guy Brugerolle	Stephanopogon apogon, from Images by Guy Brugerolle	Stephanopogon apogon, from Images by Guy Brugerolle
Stephanopogon apogon, from Protsville	Stephanopogon apogon, from Micrographs of Stephanopogon apogon	Stephanopogon apogon, from Eutree - voucher materials	Stephanopogon apogon, from Eutree - voucher materials	Stephanopogon apogon, from Eel Pond, Woods Hole, Massachusetts
Stephanopogon apogon, from American Type Culture Collection	Stephanopogon apogon, from Protsville	Stephanopogon apogon, from American Type Culture Collection	Stephanopogon apogon, from American Type Culture Collection	Stephanopogon apogon, from Heterotrophic flagellates of Botany Bay, Sydney, Australia