It seems that iNaturalist is using Ianthocincla for many species that may actually have a valid place in Pterorhinus, and perhaps if iNaturalist starts accepting IOC as a valid taxonomic backbone then the family Leiothrichidae can be defined to a more granular level:
https://www.worldbirdnames.org/bow/laughingthrushes/
For now, however, this taxon should be made inactive, as its parent taxon is already inactive.
unknown
Added by brettjackson on January 26, 2021 02:33 AM
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Committed by brettjackson on January 25, 2021
Unintended disagreements occur when a parent (B) is
thinned by swapping a child (E) to another part of the
taxonomic tree, resulting in existing IDs of the parent being interpreted
as disagreements with existing IDs of the swapped child.
Identification
ID 2 of taxon E will be an unintended disagreement with ID 1 of taxon B after the taxon swap
If thinning a parent results in more than 10 unintended disagreements, you
should split the parent after swapping the child to replace existing IDs
of the parent (B) with IDs that don't disagree.