Enables histone pre-mRNA stem-loop binding activity; rRNA binding activity; and ribosome binding activity. Involved in rRNA 3'-end processing. Located in cytoplasm and nucleolus. Part of histone pre-mRNA 3'end processing complex. Is expressed in early conceptus; eye; inner cell mass; limb; and oocyte. Orthologous to human ERI1 (exoribonuclease 1). [provided by Alliance of Genome Resources, Apr 2022]