sentences:  These packets are called "spermatozeugmata", and the sperm are packaged parallel to each other; this packaging is further increased by the elongation of the sperm cells.In Xenobryconini, each spermatozeugma is produced and is released fully formed in the spermatocysts, but in Glandulocaudini, the sperm is released from the spermatocysts and packaged elsewhere.The spermatozeugmata are situated in the posterior end of the testes, which serves as a storage area for sperm.