The most common and most likely answer to this crossword clue is the 8 letter word TROTTERS
I've seen this crossword clue in The Guardian
T
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O
T
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S
More clues leading to the result TROTTERS
- Food provided by first of the pigs?
- Sitcom family, quintessentially British rogues
- Horses moving along, though not on these
- Rocks placed round river’s extremities?
- Comedy familyare caught inside
- Racehorses go tailless ahead of fish-eaters
- They carry pigs and rats on boat, but not snake
- ‘Goody’ about to catch ‘baddy’ — they run at a moderate pace
- Horses needed by rag-and-bone men crossing river
- Trigger’s first with rogues Del and Rodney?
Buddy explains!

The straight part
We know that "Comedy family" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case comedy family = trotters.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 TROTTERS mean?
TROTTERS noun- In harness racing, a horse with a gait in which the front and back legs on opposite sides take a step together alternating with the other set of opposite legs; as opposed to a pacer.
- The foot of a pig, sheep, or other quadruped.