http://fossilworks.org/

http://fossilworks.org/bridge.pl?

http://fossilworks.org/bridge.pl?a=collectionsearch&collection_no=84272

http://fossilworks.org/?a=collectionsearch&taxon_no=332581&max_interval=quaternary&country=venezuela&is_real_user=1&basic=yes&type=view&match_subgenera=1

http://fossilworks.org/bridge.pl?a=collectionsearch&collection_no=48422

http://fossilworks.org/?a=collectionsearch&collection_no=136999&is_real_user=1= 8 july 2014

http://fossilworks.org/bridge.pl?a=collectionsearch&taxon_no=110224&max_interval=triassic&country=united states&state=utah&is_real_user=1&basic=yes&type=view&match_subgenera=1

http://fossilworks.org/bridge.pl?a=collectionsearch&collection_no=40768

http://fossilworks.org/bridge.pl?a=collectionsearch&collection_no=83737

http://fossilworks.org/bridge.pl?a=collectionsearch&collection_no=93685

http://fossilworks.org/bridge.pl?a=collectionsearch&collection_no=93672

http://fossilworks.org/?a=collectionsearch&collection_no=45726&is_real_user=1