348461
The type species of Besla has a protoconch axis at 90º with that of teleoconch ( " type A protoconch " ) whereas that of Parthenina is tilted nearly 180º ( " type C " ) ; this important character suggests that they are unrelated and that their teleoconch sculpture may be convergent Life history The genus is parasitic , manly on serpulid polychaete worms .
 None
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:  
Answer:
 None