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" Strepsodiscus " is an extinct genus of very primitive fossil snail-like molluscs from the early part of the Late Cambrian ( Dresbachian Age ) of North America .
 location: Late Cambrian; location: Dresbachian Age; location: North America
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Late Cambrian, Dresbachian Age, North America 
Answer:
 location: Late Cambrian; location: Dresbachian Age; location: North America