Parapsicephalus was a genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of rhamphorhynchoid pterosaur

Pterosaur

Pterosaurs were flying reptiles of the clade or order Pterosauria. They existed from the late Triassic to the end of the Cretaceous Period . Pterosaurs are the earliest vertebrates known to have evolved powered flight...

 from the early Toarcian

Toarcian

The Toarcian is, in the ICS' geologic timescale, an age or stage in the Early or Lower Jurassic. It spans the time between 183.0 Ma and 175.6 Ma...

-age Lower Jurassic Alum Shale of Whitby

Whitby

Whitby is a seaside town, port and civil parish in the Scarborough borough of North Yorkshire, England. Situated on the east coast of Yorkshire at the mouth of the River Esk, Whitby has a combined maritime, mineral and tourist heritage, and is home to the ruins of Whitby Abbey where Caedmon, the...

, Yorkshire

Yorkshire

Yorkshire is a historic county of northern England and the largest in the United Kingdom. Because of its great size in comparison to other English counties, functions have been increasingly undertaken over time by its subdivisions, which have also been subject to periodic reform...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

. It is known from a partial skull lacking the snout, but including a detailed endocast

Endocast

An endocast is the internal cast of a hollow object, often specifically used for an endocasts of the cranial vault. Endocasts can be man-made for examining the properties of a hollow, inaccessible space, or occur naturally through fossilisation....

 of the brain

Brain

The brain is the center of the nervous system in all vertebrate and most invertebrate animals—only a few primitive invertebrates such as sponges, jellyfish, sea squirts and starfishes do not have one. It is located in the head, usually close to primary sensory apparatus such as vision, hearing,...

. Despite this, it is an obscure genus.

It was collected in the 1880s by Reverend D.W. Purdon, who is honored in the specific name, and first described by Edward T. Newton

Edward Newton

Sir Edward Newton KCMG was a British colonial administrator and ornithologist.He was born at Elveden Hall, Suffolk the sixth and youngest son of William Newton, MP. He was the brother of ornithologist Alfred Newton....

, who named it as a species of Scaphognathus

Scaphognathus

Scaphognathus was a pterosaur that lived around Germany during the Late Jurassic. It had a wingspan of about one meter.-Naming:The first known Scaphognathus specimen was described in 1831 by August Goldfuss who mistook the tailless specimen for a new Pterodactylus species: P. crassirostris. The...

, S. purdoni. It was recognized as a distinct genus only decades later in 1919 by Gustav von Arthaber, although in 2003 it was synonymized by David Unwin with Dorygnathus

Dorygnathus

Dorygnathus was a genus of pterosaur that lived in Europe during the Early Jurassic period, 180 million years ago when shallow seas flooded much of the continent. It had a short 1.5 meter wingspan, and a relatively small triangular sternum, which is where its flight muscles attached. Its skull...

, repeated in a recent popular publication. It is considered to be a rhamphorhynchid

Rhamphorhynchidae

Rhamphorhynchidae is a group of early "rhamphorhynchoid" pterosaurs named after Rhamphorhynchus, that lived in the Late Jurassic. The family Rhamphorhynchidae was named in 1870 by Harry Govier Seeley.-Classification:...

, of medium size (estimated wingspan of ~1 m ~[3.3 ft]).