Sino-Tibetan languages
Van Driem's "fallen leaves" model (2001, 2014)

Van Driem has also proposed a "fallen leaves" model that lists dozens of well-established low-level groups while remaining agnostic about intermediate groupings of these. In the most recent version (van Driem 2014), 42 groups are identified (with individual languages highlighted in italics):

He also suggested (van Driem 2007) that the Sino-Tibetan language family be renamed "Trans-Himalayan", which he considers to be more neutral.

Orlandi (2021) also considers the van Driem's Trans-Himalayan fallen leaves model to be more plausible than the bifurcate classification of Sino-Tibetan being split into Sinitic and Tibeto-Burman.
combination:two_responses