👉 The term "Nassulopsidae" refers to a group of marine invertebrates known for their unique and diverse anatomy, including a single body segment called the "nassus," which is a key feature distinguishing them from other invertebrate families. This group includes various species, such as Nassulopsis, which are characterized by their large, elongated jaws that can be up to 20 meters long, and the genus of the same name, which contains numerous species that
