Descendant taxon has more observations than its parent

Platform: PC, Windows

App version number, if a mobile app issue:

Browser, if a website issue: Firefox

URLs (aka web addresses) of any relevant observations or pages:

https://www.inaturalist.org/observations?taxon_id=1066703

https://www.inaturalist.org/observations?taxon_id=1040847

Screenshots of what you are seeing:

Description of problem:

numbers of observations seem wrong here (not sure it is a bug or something else)

Order Scalpellomorpha has 13218 observations and the taxon below it

Superfamily Lepadoidea has 14048 observations, see screenshot (impossible)

for the same Superfamily Lepadoidea, the website given above shows 13798 observations (impossible, too)

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I can reproduce for “Asterinae”:

https://www.inaturalist.org/taxa/1066179-Asterinae#taxonomy-tab

There is shown only 34225 Observations.

But: in the link-preview, which is shown during writing the answer, the count is correct with 38321 obs.

I have no idea, if there is a logical reason for…

In those screenshots, the top right stat counts NeedsID+ResearchGrade and the link preview counts all observations (includes Casual):

https://www.inaturalist.org/observations?taxon_id=1066179&verifiable=true
https://www.inaturalist.org/observations?taxon_id=1066179&verifiable=any

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Presumably an indexing bug caused from a taxon or ancestry change from one of the children.