Zoothamnium alternans Claparède & Lachmann, 1859

Zoothamnium Bory de St. Vincent, 1826

Ciliophora: Oligohymenophorea: Sessilida: Zoothamniidae


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20x Plan Apo / 20x Plan Fluor / 40x Plan Fluor / 60x Plan Fluor. DIC / Phase Contrast. Sampled in Bay of Santander. August, 24th 2017.


Diagnostic features (Zoothamnium)
Colonial. The stalk contracts in a zigzag fashion, not spirally.  The myoneme is continuous throughout the colony.

Claparède & Lachmann 1868

Claparède & Lachmann (1868)

Claparède, E. & Lachmann, J. (1868). Études sur les infusoires et les rhizopodes. Genève et Bale- H. Georg, Libraire de L’Institut. (see Pl. II).
Kahl, A. (1935). Tierwelt Deutschlands und der angrenzenden Meeresteile. Urtiere oder Protozoa. I: Wimpertiere oder Ciliata (Infusoria). 4 Peritricha und Chonotricha. Verlag von Gustav Fischer. Jena.
Larink, O. & Westheide, W. (2011). Coastal plankton. Verlag Dr. Friedrich Pfeil. München. (see Plate 15).
Summers, F.M. (1938). Some Aspects of Normal Development in the Colonial Ciliate Zoöthamnium alternans. Biological Bulletin. Vol. 74. Nº.1.117-129.

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