Department of Zoology, University of Warmia and Mazury In Olsztyn, Oczapowskiego 5, 10-719 Olsztyn, Poland
Bibliografia
BIELECKI A, ŚWIĄTEK P, CICHOCKA JM, SIDDALL ME, URBISZ AZ, PŁACHNO BJ. 2014. Diversity of features of the female reproductive system and other morphological characters in leeches (Clitellata, Hirudinida) in phylogenetic conception. Cladictics 30: 540–554.
GOLOBOFF P, FARRIS J, NIXON K. 2003. Tree analysis using new technology. Program and documentation. Distributed by the authors. http://www.zmuc.dk/public/phylogeny/ accessed 31.06.2014.
MAROTTA R, FERRAGUTI M, ERSÉUS C, GUSTAVSSON LM. 2008. Combined data phylogenetics and character evolution of Clitellata (Annelida) using 18S rDNA and morphology. Zoological Journal of Linnean Society in London 154:1–26.
SIDDALL, M., APAKUPAKUL, K, BURRESON, E., COATES, K., ERSÉUS, C, GELDER, S., KÄLLERSJÖ, M, and TRAPIDO-ROSENTHAL, H. 2001. Validating Livanow's hypothesis: molecular data agree that leeches, Branchiobdellidans and Acanthobdella peledina form a monophyletic group of Oligochaetes. Molecular Phylogenetics and Evolution 21: 346–351.