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The Kirtland Formation is a late Cretaceous aged rock formation in New Mexico.

Vertebrate paleofauna[]

Saurischians[]

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Saurischians of the Kirtland Formation
Genus Species Member Material Notes Images
Alamosaurus A. sanjuanensis Specimens actually from the Naashoibito member of the Ojo Alamo Formation
Aublysodon A. mirandus
  • Hunter Wash
Remains are now referred to Bistahieversor, although these remains may possibly have come from the Fruitland Formation.
Bistahieversor B. sealeyi
  • Hunter Wash
An articulated skull and undescribed postcranial skeleton of an adult individual, and an incomplete skull and postcranial skeleton of a juvenile individual. A eutyrannosaurtyrannosauroidalso known from the Fruitland Formation.
Caenagnathidae Indeterminate
  • De-na-zin
A nearly complete right tibia Indeterminate caenagnathid remains.
Daspletosaurus Indeterminate
  • Hunter Wash
Remains are now referred to Bistahieversor, although these remains may possibly have come from the Fruitland Formation.
Dromaeosauridae Indeterminate Numerous isolated teeth. Indeterminate dromaeosauridremains.
Ornithomimidae Indeterminate
  • De-na-zin
A distal end of a phalanx, and [two] partial manual unguals. Indeterminate ornithomimidremains.
Saurornitholestes S. sullivani
  • De-na-zin
A nearly complete frontal. A saurornitholestinedromaeosaurid, sister taxa to Saurornitholestes langstoni.
"Saurornitholestes" "S." robustus
  • De-na-zin
A nearly complete frontal. Originally assigned to Saurornitholestes, actually a troodontid.
cf. Struthiomimus cf. S. altus A centrum of a dorsal vertebra, distal portion of a metatarsal, and proximal phalanx. Indeterminate remains that may belong to Struthiomimus altus.
Tyrannosauridae Indeterminate A partial skeleton, dentary, metatarsal, and numerous teeth. Indeterminate tyrannosauridmaterial.

Ornithischians[]

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Ornithischians reported from the Kirtland Formation
Genus Species Member Material Notes Images
Ahshislepelta A. minor
  • Hunter Wash
A partial girdle, scapulocoracoids, humerus, proximal portion of the radius, cervical and/or dorsal vertebrae, complete and fragmentary thoracic osteoderms, and other unidentifiable postcranial fragments. An ankylosaurineankylosaurid part of the Hunter Wash Member.
Anasazisaurus A. horneri
  • De-Na-Zin
An incomplete skull consisting of premaxillae, nasals, maxilla, lacrimal, jugal, prefrontal, postorbital, squamosal, frontal, parietal, and fragment of dentary with teeth. A kritosaurinhadrosaurid from the De-Na-Zin Member.
Bisticeratops B. froeseorum
  • Farmington
A nearly complete skull. A chasmosaurineceratopsid, originally identified as a specimen of Pentaceratops.
Kritosaurus K. navajovius
  • De-na-zin
[Two] incomplete skulls, an atlas, axis and cervical vertebrae. A kritosaurinhadrosaurid also known from the Cerro del Pueblo Formation of Mexico.
Naashoibitosaurus N.ostromi
  • De-na-zin
A skull lacking the premaxillae and mandible, a partial humerus, cervical vertebrae and dorsal vertebrae. A kritosaurinhadrosaurid, distinct from Kritosaurus.
Nodocephalosaurus N. kirtlandensis
  • De-na-zin
A partial skull. An ankylosaurineankylosaurid that has cranial ornamentation similar to Akainacephalus, an ankylosaur from the Kaiparowits Formation.
Parasaurolophus P. tubicen
  • De-na-zin
[Two] incomplete and fragmentary skulls. A lambeosaurinehadrosaurid known from partial cranial remains.
Pentaceratops P. fenestratus
  • De-na-zin Member
A crushed but nearly complete skull, mandible, cervical vertebrae, dorsal vertebrae, sacral vertebrae, caudal vertebrae, chevrons, scapulae, coracoids, radii, ulnae, ischia, ilia, pubes, femora, tibiae, astragali, manual phalanxes and manual unguals. A junior synonym of Pentaceratops sternbergii, diagnostic characteristics of the species were pathologies.
P. sternbergi
  • De-na-zin
A crushed but nearly complete skull, mandible, cervical vertebrae, dorsal vertebrae, sacral vertebrae, caudal vertebrae, chevrons, scapulae, coracoids, radii, ulnae, ischia, ilia, pubes, femora, tibiae, astragali, manual phalanxes and manual unguals. A chasmosaurineceratopsid also known from the Fruitland Formation.
Sphaerotholus S. goodwini
  • De-na-zin
A partial skull lacking the facial and palatal elements. A pachycephalosaurine pachycephalosauridalso known from the Hell Creek and Horseshoe Canyon Formation.
Stegoceras S. novomexicanum
  • Hunter Wash
An incomplete parietal. A basal pachycephalosauridalso known from the upper Fruitland Formation.
Terminocavus T. sealeyi
  • Hunter Wash
A parietal, partial squamosal, jugal, epijugal, partial quadratojugal, partial sacrum and vertebral fragments. A chasmosaurineceratopsid that has been hypothesized to form an anagenetic series with several other chasmosaur species, including Navajoceratops.
Navajoceratops N. sullivani
  • Hunter Wash
A parietal, squamosal fragments, fused jugal\epijugal and other unidentified cranial fragments. A chasmosaurineceratopsid that has been hypothesized to form an anagenetic series with several other chasmosaur species, including Terminocavus.
Titanoceratops T. ouranos A partial skull, syncervical vertebrae, cervical vertebrae, dorsal vertebrae, sacral vertebrae, caudal vertebrae, ribs, humeri, radius, femora, tibiae, fibula, ilia, ischia, and ossified tendons. Possibly represents a junior synonym of Pentaceratops, holotype may possibly have come from the Fruitland Formation.
Ziapelta Z. sanjuanensis
  • Hunter Wash
  • De-na-zin
A complete skull, [two] first cervical half-rings, fragmentary second cervical half ring, and numerous fragmentary osteoderms. An ankylosaurineankylosaurid closely related to Scolosaurus.

Pterosaurs[]

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Pterosaurs of the Kirtland Formation
Genus Species Location Member Abundance Notes Images
Navajodactylus N. boerei
  • Hunter Wash Member
Partial phalanx and ulna fragment A possible azhdarchidpterosaurknown from fragmentary remains.

Crurotarsans[]

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Crurotarsans of the Kirtland Formation
Genus Species Location Member Abundance Notes Images
Brachychampsa B. montana
  • De-na-zin
Member of the Willow Wash local fauna.
Denazinosuchus D. kirtlandicus
  • De-na-zin
Member of the Willow Wash local fauna.
Leidyosuchus Indeterminate
  • De-na-zin
Member of the Willow Wash local fauna.

Turtles[]

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Turtles of the Kirtland Formation
Genus Species Location Member Abundance Notes Images
Basilemys B. nobilis
  • De-na-zin
Member of the Willow Wash local fauna.
Denazinemys D. nodosa
  • De-na-zin
Member of the Willow Wash local fauna.
Neurankylus N. baueri
  • De-na-zin
Member of the Willow Wash local fauna.
Plastomenus P. robustus
  • De-na-zin
Member of the Willow Wash local fauna.
Thescelus T. hemispherica
  • De-na-zin
Member of the Willow Wash local fauna.

Bony fish[]

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Bony fishes of the Kirtland Formation
Genus Species Location Member Abundance Notes
Melvius M. chauliodous
  • De-na-zin
Member of the Willow Wash local fauna.

Cartilaginous fish[]

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Cartilaginous fish of the Kirtland Formation
Genus Species Location Member Abundance Notes
Myledaphus M. bipartitus
  • De-na-zin
Member of the Willow Wash local fauna.
Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon