Anurognathus is a
genus of small
pterosaur that lived during the late
Jurassic Period (
Tithonian stage).
Anurognathus was first named and described by Ludwig Döderlein in 1923. The
type species is
Anurognathus ammoni. The genus name
Anurognathus is derived from the
Greek αν/
an- ("without"),
оυρα/
oura ("tail"), and
γναθος/
gnathos ("jaw") in reference to its unusually small tail relative to other "
rhamphorhynchoid" (i.e. basal) pterosaurs. The
specific name ammoni honours the Bavarian geologist Ludwig von Ammon, from whose collection Döderlein had acquired the fossil in 1922.