42517
They differ from freshwater crayfish in lacking the joint between the last two segments of the thorax , and they differ from the reef lobsters of the family Enoplometopidae in having full claws on the first three pairs of legs , rather than just one .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None