. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. 26 Bonner zoologische Beiträge 54 (2005) tives of the genus had shown that the extent of the dis- tributions and the range of intraspecific variation had generally been underestimated by previous authors. Also, some species, like Medon burdigalensis Coiffait and M aquitanicus Coiffait, had never been recorded again after their description, although they had been de- scribed from regions where the presence of local en- demics is unlikely; consequently, the absence of
. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. 26 Bonner zoologische Beiträge 54 (2005) tives of the genus had shown that the extent of the dis- tributions and the range of intraspecific variation had generally been underestimated by previous authors. Also, some species, like Medon burdigalensis Coiffait and M aquitanicus Coiffait, had never been recorded again after their description, although they had been de- scribed from regions where the presence of local en- demics is unlikely; consequently, the absence of records could not be put down to extremely restricted distribu- tions. These considerations, as well as the difficulty en- countered when trying to identify Medon material from the study area suggested that the previous taxonomic concept of the Medon fauna of the Western Mediterra- nean was at least in part inadequate and eventually initi- ated the present revision. >aW\. Map 1: The study Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Zoologisches Forschungsinstitut und Museum Alexander Koenig. Bonn : Das Forschungsinstitut
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