Original sentence: Caspiodontornis at the Paleobiology Database.Caspiodontornis is an extinct genus of pelagornithidae.It was first named by  Aslanova and Burchak-Abramowich in 1982, and contains one species, C
Edited sentence: (1985): The Fossil Record of Birds.(2005): Osteological evidence for sister group relationship between pseudo-toothed birds (Aves: Odontopterygiformes) and waterfowls (Anseriformes).(2009): Paleogene Fossil Birds.(HTML abstract) Electonic supplement (requires subscription).Caspiodontornis is a doubtfully valid genus of the prehistoric pseudotooth birds of somewhat doubtful validity.From the same deposits the supposed giant swan Guguschia nailiae was described earlier; it is only known from wing bones.ISBN 3540896279.In: : Avian Biology 8: 79-252.Its remains – a fairly complete skull and beak – were found in early Late Oligocene rock at Pirəkəşkül (Azerbaijan).Naturwissenschaften 92(12): 586–591.Only a single species, Caspiodontornis kobystanicus, is known to date.PDF fulltext.Springer-Verlag, Heidelberg & New York.The affiliation of G.These were probably rather close relatives of either pelicans and storks, or of waterfowl, and are here placed in the order Odontopterygiformes to account for this uncertainty.kobystanicus to indicate that they may be from a single species, to which the older name G.nailiae is not known but it does not seem to be a swan; the size of its remains agrees sufficiently well with those of C.nailiae would apply