Species: wellnhoferi KELLNER, 1989
Etymology: In honor of Dr. Peter Wellnhofer, who has contributed very much to the study of pterosaurs.

Holotype: Desiree Collection CD-R-080

Locality: Chapade do Araripe, Ceara State, Northeastern Brazil.

Horizon: Romualdo Member, Santana Formation, Araripe Group.

Biostratigraphy:

Age: Late Aptian or Early Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material: Fragmentary skull of a juvenile.

Referred material:

KELLNER, 1996

Locality: Chapade do Araripe, Ceara State, Northeastern Brazil.

Horizon: Romualdo Member, Santana Formation, Araripe Group.

Biostratigraphy:

Age: Aptian-Albian, Stage, Middle Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

MCT 1500-R: Skull missing tip of premaxillae, part of the middle portion of the skull, and most of the sagittal crest, and the anterior and posterior ends of the mandible and a perfect braincase.

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Species: imperator CAMPOS & KELLNER, 1997
Etymology: Latin, imperator, meaning emperor.
= Species Nova KELLNER & CAMPOS, 1992

Holotype: DNPM MCT 1622-R

Locality: Near Nova Olinda, Chapada do Araripe, Ceara State, Northeastern Brazil.

Horizon: Crato Member, basal unit of the Santana Formation, Araripe Group.

Biostratigraphy:

Age: Aptian-Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material: Nearly complete skull with a large crest.

Referred material:

SAYAO & KELLNER, 1999

MN 4729-V: Articulated left wing formed by scapulacoracoid, humerus, radius, ulna, incomplete carpal, wing metacarpal McIV, metacarpal III, parts of digits I-III, and complete 4th digit.

FREY, TISCHLINGER, BUCHY & MARTILL, 2003

SMNK PAL 2839: Fragmentayr skull.
Note: Has crest fibers.

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Species: navigans FREY, MARTILL & BUCHY, 2003b
Etymology: Latin, navigans, ‘sailing’: pertaining to the shape of the cranial crest.
= Genus: Nova MARTILL & FREY, 1998

Holotype: SMNK 2344 PAL

Locality: Araripe Basin, Ceara State, North East Brazil.

Horizon: Nova Olinda Member, Crato Formation.

Biostratigraphy:

Age: Aptian Stage, Middle Gallic Subepoch, Uppermost Early Cretaceous Epoch, Early Cretaceous.

Material: Fragmentary skull, similar to Tapejara imperator.
Note: Specimen shows a flap of skin on the front of the skull and has no crest extension behind the skull.

Referred material:

SMNK PAL 2343: Fragmentary skull.
Note: Specimen shows a flap of skin on the front of the skull and has no crest extension behind the skull.