left|thumb|248x248px|Fossil specimen, Geological Museum of China Cardiodictyon is a genus of lobopodian known from 518 millions years old Chengjiang Lagerstätte. 525 millions years old partial fossil is also reported. It has ~25 pairs of legs, each associated with a pair of dorsal plates.
left|thumb|248x248px|Fossil specimen, Geological Museum of China Cardiodictyon is a genus of lobopodian known from 518 millions years old Chengjiang Lagerstätte. 525 millions years old partial fossil is also reported. It has ~25 pairs of legs, each associated with a pair of dorsal plates.
Each leg terminates in a pair of claws. It may or may not have a head shield, though it certainly has an expanded head.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).