Cryptic crossword clue
A belief in peculiar, vast resemblances to ancestors 8

The most common and most likely answer to this crossword clue is the 8 letter word ATAVISMS

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Buddy explains!

The straight part
We know that "resemblances to ancestors" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case resemblances to ancestors = atavisms.
The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.
This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.

What does ATAVISMS mean?

ATAVISMS noun
  1. The reappearance of an ancestral characteristic in an organism after several generations of absence.
  2. The recurrence or reversion to a past behaviour, method, characteristic or style after a long period of absence.
  3. Reversion to past primitive behavior, especially violence.

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