Shinnersoseris is a genus of flowering plants in the family Asteraceae.

There is only one known species, Shinnersoseris rostrata, with the common names of beaked skeletonweed and annual skeleton-weed. It is native to the Great Plains of central North America (Alberta, Saskatchewan, Manitoba, United States (ND SD MN IA NE KS OK TX CO WY UT)).

It was formerly in the genus Lygodesmia.

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