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A Comparative Study of the Infraciliature and Silverline System of the Fresh‐Water Scuticociliates Pseudocohnilembus putrinus (Kahl, 1928) nov. comb., P. pusillus (Quennerstedt, 1869) nov. comb., and the Marine Form P. marinus Thompson, 1966 1
Author(s) -
FOISSNER WILHELM,
WILBERT NORBERT
Publication year - 1981
Publication title -
the journal of protozoology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.067
H-Index - 77
eISSN - 1550-7408
pISSN - 0022-3921
DOI - 10.1111/j.1550-7408.1981.tb02853.x
Subject(s) - biology , zoology , range (aeronautics) , composite material , materials science
Three species of Pseudocohnilembus were examined with respect to infraciliature and the silverline system. The freshwater species P. putrinus and P. pusillus exhibited no differences in general organization of the argyrophilic structures when compared with the marine P. marinus. A review of the Pseudocohnilembus species that have been described on the basis of silver preparations shows that at present four species have been well characterized: P. pusillus (Quennerstedt, 1869) nov. comb., P. putrinus (Kahl, 1928) nov. comb., P. hargisi Evans & Thompson, 1964, and P. marinus Thompson, 1966, P. persalinus Evans & Thompson, 1964 and P. longiseta Evans & Thompson, 1964 are regarded as identical with the older known P. pusillus , because with respect to morphology and argyrophilic structures they are within the range of variability of that species; and their names thus fall as synonyms of P. pusillus .