this is K = 13 from Genetiker
https://genetiker.wordpress.com/201...-and-neolithic-latvian-and-ukrainian-genomes/
Sample Period Culture Date BC
Latvia_HG1 Mesolithic Kunda 6467–6249
Latvia_HG2 Mesolithic Narva 5841–5636
Latvia_HG3 Early Neolithic Unassigned 5302–4852
Latvia_MN1 Middle Neolithic Unassigned 4251–3976
Latvia_MN2 Middle Neolithic Comb Ware 4229–3800
Latvia_LN1 Late Neolithic Corded Ware 3089–2676
Ukraine_HG1 Mesolithic Unassigned 9193–8641
Ukraine_N1 Neolithic Dnieper-Donets 4519–4343
View attachment 8460
navy blue = WHG like
medium blue = EHG like
light blue = EEF like
red = Karitiana like
teal = CHG like
he ascribes MN2 to comb ware culture, hence the Karitiana component, which is also in Karelia and Samara HG and in Khvalynsk
Latvia is the only CW without EEF
corded ware, sintashta, bell beaker, Unetice and Nordic LN are all quite similar