Question: What is the  large marine bivalve mollusc species with the scientific name "Panopea generosa"?
Related documents: [0]  [DOC] Panopea abrupta is an extinct species of large marine bivalve mollusc in the family Hiatellidae. Between 1983 and 2010, this species of clam was confused with the Pacific Geoduck, "Panopea generosa", in the scientific literature. [END] 
[1]  [DOC] The Pacific geoduck ( ), scientific name "Panopea generosa", is a species of very large, edible saltwater clam in the family Hiatellidae. The common name is derived from a Lushootseed (Nisqually) word "gʷídəq". [END] 
Answer: 
Geoduck
Geoduck