Lineal kinship organization in cross-specific perspective

I draw on insights from anthropology to outline a framework for the study of kinship systems that applies across animal species with biparental sexual reproduction. In particular, I define lineal kinship organization as a social system that emphasizes interactions among lineally related kin—that is, individuals related through females only, if the emphasis is towards matrilineal kin, and individuals related through males only, if the emphasis is...