Sphaerophrya Claparede & Lachmann, 1859 (ref. ID; 2013)
Class Kinetofragminophora: Subclass Suctoria: Order Suctorida: Suborder Exogenina (ref. ID; 2013)

[ref. ID; 2013]
Spherical body without lorica and stalk, floating free on the water or attached by its tentacles to other organisms. Tentacle not in fascicles but distributed evenly over entire body surface. Macronucleus round and there is a single contractile vacuole. There are several species, some are free-living but some are parasites. Reproduction is binary fission or by exogenous budding.
Quote; Colin R. Curds "British and other freshwater ciliated protozoa Part I Ciliophora: Kinetofragminophora" Cambridge University Press, 1982 (ref. ID; 2013)

Sphaerophrya magna Maupas, 1881 (ref. ID; 4612) reported year? (ref. ID; 1335, 1618, 1629, 5624)
Description; Spherical; numerous tentacles of different length; nucleus spheroid; standing fresh water with decaying vegetation. (ref. ID; 1618)
Measurements; About 50 um in diameter. (ref. ID; 1618)
Sphaerophrya soliformis Lauterborn, 1908 (ref. ID; 4612) reported year? (ref. ID; 1219, 1618)
See; Parapodophrya soliformis (ref. ID; 4612)
Description; Mature stage without cilia; numerous suctorial tentacles all over the body; macronucleus ellipsoid. Asexual reproduction by exogenous budding; free-swimming larvae with cilia. (ref. ID; 1219)
Spherical; numerous tentacles about one-fourth to one-third the body diameter; a contractile vacuole; nucleus oval; sapropelic. (ref. ID; 1618)
Measurements; Diameter about 100 um; length of tentacle about 30 um. (ref. ID; 1219)
Sphaerophrya stentoris Maupas (ref. ID; 1618)
Description; Parasitic in Stentor; larvae ciliated on posterior end; the other end with capitate tentacles; nucleus spheroid; 2 contractile vacuoles. (ref. ID; 1618)
Measurements; About 50 um long. (ref. ID; 1618)