Source: Wikipedia, the free encyclopedia.
@@20@@
/\Wabalone/
/\Wacochlidiacea/
/\Wacteophila/
/\Waeolidid/
/\Wanaspidea/
/\Wanthobranch/
/\Waplysiomorph/
/\Warchaeopulmonat/
/\Warchitaenioglossa/
/\Wbasommatophor/
/\Wbouchet\s&\srocroi/
/\Wcephalaspidea/
/\Wcladobranch/
/\Wcocculin(i|o|a)/
/\Wcowr(y|ie)/
/\Wcycloneritimorph/
/\Wcylindrobullid/
/\Wcyrtoneritomorph/
/\Wdendronotid/
/\Wdexiarchia/
/\Wdiscopoda/
/\Welasmognath/
/\Weuarminica/
/\Weuomphal/
/\Weupulmonat/
/\Wgymnomorph/
/\Wheterostropha/
/\Wlimpet/
/\Wlittorin/
/\Wmurchisoni(in|oid)/
/\Wneomphaloid/
/\Wnerit/ , /\Wneritic/ , /\Wneritan/ , /\Wneritz/
/\Wnotaspidea/
/\Wnudibranch/
/\Wnudipleura/
/\Wopisthobranch/
/\Worthurethra/
/\Wpleurobranchomorph/
/\Wpneumostome/
/\Wponder\s\&\slindberg/
/\Wprosobranch/
/\Wptenoglossa/
/\Wpulmonat/
/\Wsacoglossa/
/\Wsea\sangel/
/\Wsea\sbutterfl/
/\Wsea\share/
/\Wsigmurethra/
/\Wslugs?\W/ , /slug=/
/\Wsnails?\W/
/\Wsorbeoconch/
/\Wstylommatophor/
/\Wsystellomatophor/
/\Wtrimuscul/
/\Wumbraculid/
/\Wwhelk/
/euctenidiacea/
/gymnosomata/
/thecosoma/
-10 /\Wbivalvia/
-10 /\Wcephalopod/
-10 /\Wscaphopod/
-10 /placophora/
11 /\Wunivalv/
11 /gaste?ropod/
9 /\Wconch/
9 /\Wconcholog/
9 /\Wmalacolog/
9 /\Wosphradium/
9 /\Wperiwinkle/
9 /\Wprotoconch/
9 /\Wradula/
2 /\Wshells?\W/
/gastropod/
20 /category:\s*gastropod/
