Tham khảo Lớp Cá sụn

Tài liệu tham khảo

WikiPedia: Lớp Cá sụn http://www.fmnh.helsinki.fi/users/haaramo/Metazoa/... http://d-nb.info/gnd/4135828-4 http://www.morphbank.net/Browse/ByImage/?tsn=15978... http://www.nzor.org.nz/names/4acd6aba-2825-45a9-81... http://jeb.biologists.org/cgi/reprint/205/16/2365.... http://fossilworks.org/bridge.pl?a=taxonInfo&taxon... http://www.irmng.org/aphia.php?p=taxdetails&id=115... http://www.ubio.org/browser/details.php?namebankID... https://www.itis.gov/servlet/SingleRpt/SingleRpt?s... https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwt...