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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Perispira

Perispira Stein, 1859 (ref. ID; 2013)

Class Kinetofragminophora: Subclass Gymnostomata: Order Haptorida: Family Spathidiidae (ref. ID; 2013)

[ref. ID; 2013]
Body shape ovoid to cylindrical. Anterior end slightly truncated bearing unciliated ridge which spirals down the body to the posterior. Oral aperture is slit-like, borne upon the apical part of the ridge. Ciliation uniform either in spiral or longitudinal kineties. Macronucleus elongate to ovoid. Single terminal contractile vacuole. Genus erected by Stein (1859).
Quote; Colin R. Curds "British and other freshwater ciliated protozoa Part I Ciliophora: Kinetofragminophora" Cambridge University Press, 1982 (ref. ID; 2013)
  1. Perispira carinata Kahl, 1926 (ref. ID; 1619, 3540)
  2. Perispira ovum Stein, 1859 (ref. ID; 1308, 1335, 1619, 3540) reported year? (ref. ID; 1618)
  3. Perispira pyriformis Wirnsberger, Foissner & Adam, 1984 (ref. ID; 4683 original paper)
  4. Perispira strephosoma Stokes, 1886 (ref. ID; 1619, 3540) reported year? (ref. ID; 1618)
    Syn; Trichospira cincinnata Penard, 1922 (ref. ID; 3540)

Perispira ovum Stein, 1859 (ref. ID; 1308, 1335, 1619, 3540) reported year? (ref. ID; 1618)

Descriptions

Oval; spiral ridge complete turn; cytostome in the anterior end of the ridge, with a number of delicate trichites; ovoid to elongate macronucleus; a micronucleus; a terminal contractile vacuole. The ciliate was cultured bacteria-free by feeding on sterile Euglena gracilis. (ref. ID; 1618)

Measurements

Starved individuals 30-60 by 20-45 um, well-fed forms 65-120 by 50-110 um. (ref. ID; 1618)

Perispira strephosoma Stokes, 1886 (ref. ID; 1619, 3540) reported year? (ref. ID; 1618)

Synonym

Trichospira cincinnata Penard, 1922 (ref. ID; 3540)

Descriptions

Oval to cylindrical; standing water with sphagnum. (ref. ID; 1618)

Measurements

About 85 um long. (ref. ID; 1618)