Kalmar “genus” tana nufin nau’in harajin da aka yi amfani da shi wajen rarrabuwar halittu, wanda ya haɗa da rukunin jinsin da ke da alaƙa da kakanni ɗaya. Afirka, wanda aka fi sani da eland. An san su da ƙahoni masu kama da karkace kuma sune mafi girma nau'in tururuwa.Saboda haka, "genus Taurotragus" yana nufin rarrabuwar haraji na rukuni na manyan tururuwa da ake samu a Afirka da ake kira elands.