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Materpiscis ( Latin for mother fish ) is a genus of ptyctodontid placoderm ( a class of extinct , superficially shark-like armored fishes ) from the Late Devonian ( about 380 million years ago ) located at the Gogo Formation of Western Australia .
 Western Australia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Western Australia