2671
Because only a small number of features distinguish it from other lydekkerinids , Cryobatrachus kitchingi has more recently been considered a nomen dubium , meaning that its distinction from other better known species may be unwarranted .
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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:
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