2183
The species is solely known from the Latest Paleocene sediments exposed in the Matanuska River Valley , Matanuska-Susitna Borough , Alaska .
 organization: Latest Paleocene; location: Matanuska River Valley; organization: Matanuska-Susitna Borough; location: Alaska
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Latest Paleocene; location: Matanuska River Valley; organization: Matanuska-Susitna Borough; location: Alaska