User:Ccicalese

<graphviz format="png"> digraph example3 {

 rankdir=LR;
 node [shape=plaintext,fontname="Arial"];
 Mollusca [URL="hello world"];
 Neomeniomorpha [URL="w:Neomeniomorpha"];
 X1 [shape=point,label=""];
 Caudofoveata [URL="w:Caudofoveata"];
 Testaria [URL="w:Testaria"];
 Polyplacophora [URL="w:Polyplacophora"];
 Conchifera [URL="w:Conchifera"];
 Tryblidiida [URL="w:Tryblidiida"];
 Ganglioneura [URL="w:Ganglioneura"];
 Bivalvia [URL="w:Bivalvia"];
 X2 [shape=point,label=""];
 X3 [shape=point,label=""];
 Scaphopoda [URL="w:Scaphopoda"];
 Cephalopoda [URL="w:Cephalopoda"];
 Gastropoda [URL="w:Gastropoda"];
 Mollusca->X1
 X1->Testaria
 Testaria->Conchifera
 Ganglioneura->X2
 X2->Gastropoda
 Mollusca->Neomeniomorpha
 X1->Caudofoveata
 Testaria->Polyplacophora
 Conchifera->Tryblidiida
 Ganglioneura ->Bivalvia
 X2->X3
 X3->Cephalopoda
 X3->Scaphopoda
 X1->Bivalvia

} </graphviz>