There is only one type of non-unilineal descent group, the kindred. Descent Groups In all societies there are social groups whose membership is based on descent; members share a common ancestor or living relative. Descent groups help to define the pool of potential mates, the group of people who are obligated to help in economic and political issues, and may even dictate which religion is followed, particularly in unilineal descent groups. Often, kindreds fall apart when the unifying individual dies.
"A group of persons, all of whom have a single relative (Ego) in common who is not an ancestor of theirs. Kindreds count all individuals from each parent as relatives. This data provides important insights into the interests, concerns, and values of cultures. RK:150. the field of anthropology that tries to learn about how people in different cultures categorize things in their environment. The lesson will seek to explain the different systems of family descent found around the globe. The focus is on emic categories. parallel cousins are classified with brothers and sisters, while cross cousins are classified separately but not equated with relatives of some other generation. DT Kindred: "A social group or category consisting of an individual's circle of relatives, or that range of a person's relatives accorded special cultural recognition." In anthropology, kinship is the web of social relationships that form an important part of the lives of all humans in all societies, although its exact meanings even within this discipline are often debated. It follows that the only persons having identical kindreds would be full siblings. ← How to draw kinship diagrams My favorite New York State historical marker. There are two principal reasons for this: First, although not all human groups are constituted on the basis of kinship, all humans have kinship as individuals and are related to other individuals through it.
Definition Kinship reckoning in which a father and a father's brother are referred to by a single term, as are a mother and a mother's sister, but a father's sister and a mother's brother are given separate terms. Kinship has traditionally been one of the key topics in social and cultural anthropology. Tags: history of anthropology, illustrations By Matthew Timothy Bradley in nuts & bolts on 09/06/2013 .
In cultural anthropology the term is the Anglicisation of rite de passage, a French term innovated by the ethnographer Arnold van Gennep in his work Les rites de passage, “The Rites of Passage.”  The term is now fully adopted into anthropology as well as into the … This kind of descent group is usually seen where small family groups are more adaptive than large ones and individual mobility is high, e.g., industrial societies. (RF-164; NG-205)."