Complex sentence: The genus is currently comprised of over 110 extant species and two fossil species: "N. pygmaea" from Eocene age Baltic amber and "N. vetula" from Miocene age Dominican amber.
Split into simpler sentences: The genus is currently comprised of over 110 extant species and two fossil species. There are two known fossil species: "N. pygmaea" from Eocene age Baltic amber and "N. vetula" from Miocene age Dominican amber.