RESEARCH PAPER
Rissoa (Pusillina) inconspicua Alder, 1844 subsp. Albella Loven, 1846 comb. Nova (Gastropoda: Prosobranchia) from Polish Baltic
 
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Department of Malacology, Institute of Zoology, Jagiellonian University, Cracow, Poland
 
 
Publication date: 2020-05-14
 
 
Corresponding author
Andrzej Falniowski   

Department of Malacology, Institute of Zoology, Jagiellonian University, Gronostajowa 9, 30-387 Cracow, Poland
 
 
Folia Malacol. 1988;2(1):63-72
 
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ABSTRACT
In the paper the author describes Polish representatives of the subgenus Pusillina (Rissoa: Rissoidae). The characteristics of the shell features and their variability (especially of the ribs) is given. Next the protoconch, ctenidium, osphradium and male reproductive organs are concisely described. A more detailed description of the head pigmentation (within which three types: A. B. and A + B are distinguished), penis variability and female reproductive organs (showing some very characteristic features) is given. Finally, the author lists the differences between the Polish Pusillina and the data in the literature on Rissoa albella, R. benzi and R. inconspicua. Basing on this, the author considers R. albella a probable subspecies of R. inconspicua, and the Polish Pusillina being identical with R. inconspicua albella.
 
CITATIONS (1):
1.
Melanopsidae (Caenogastropoda: Cerithioidea) from the eastern Mediterranean: another case of morphostatic speciation
Andrzej Falniowski, Joseph Heller, Robert Cameron, Beata Pokryszko, Artur Osikowski, Aleksandra Rysiewska, Sebastian Hofman
Zoological Journal of the Linnean Society
 
eISSN:2300-7125
ISSN:1506-7629
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