Stentor coeruleus (Pallas, 1766) Ehr, 1830
- Dataset
- GBIF Backbone Taxonomy
- Rank
- SPECIES
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Classification
- kingdom
- Chromista
- phylum
- Ciliophora
- class
- Heterotrichea
- order
- Heterotrichida
- family
- Stentoridae
- genus
- Stentor
- species
- Stentor coeruleus
diagnosis
Improved diagnosis: The Korean Stentor coeruleus population is highly contractile, cell size is 250 – 400 × 105 – 160 µm in vivo but can become more than 1000 µm during complete extension. 100 – 239 × 80 – 185 µm after protargol impregnation. They are trumpet-shaped when completely extended, but freely motile or contracted specimens are inverted pear-shaped. Under low magnification, specimens are blue green in color but at higher magnification cortical granules are reddish brown in the absence of symbiotic algae; a contractile vacuole is present on the left of the oral cavity. 55 – 65 somatic kineties are longitudinally arranged; 20 – 25 peristomial kineties are vertically arranged within adoral zone membranelles; 145 – 165 adoral membranelles comprise the peristome. The moniliform macronucleus is composed of 6 – 15 spherical nodules. Micronucleus and lorica were not observed in the present study. Locality and habitat: freshwater pond, Bugokji pond in Samrak-ri, Maam-myeon, Goseong-gun, Gyeongsangnam-do province, Korea (35 ° 01 ′ 35.2 ′′ N, 128 ° 20 ′ 40.2 ′′ E).
materials_examined
Voucher material: A slide with protargol-stained specimens was deposited in the National Institute of Biological Resources (NIBR), Incheon, Korea, with registration number NIBRPR 0000109602. The slide includes many specimens, but the relevant specimens are marked by a black ink circle on the slide.
Name
- Synonyms
- Brachionus stentoreus Pallas, 1766
- Stentor caerulescens
- Stentor caeruleus Ehrenberg, 1830
- Stentor coerulens Ehrenberg, 1830
- Stentor striatus Maskell, 1886
- Homonyms
- Stentor coeruleus (Pallas, 1766) Ehr, 1830
- Common names
- Blaues Trompetentierchen in German
- blue trumpet animalcule in English