Genus: Langeronyx EZCURRA, MONTEFELTRO, & BUTLER, 2016
Etymology: In honor of the Brazilina paleontologist Max Cardos Langer, in recognition of his research on rhynchosaurs, and Greek, onyx, "claw," which is commonly applied to Rhynchosaurs.

Species: brodiei (BENTON, 1990) EZCURRA, MONTEFELTRO, & BUTLER, 2016
Etymology:
= Rhynchosaurus brodiei BENTON, 1990

Holotype: WARMS Gz6097(renumbered from Gz1275) + NHMUK (old BMNH R) PV 8495

Locality: Coton End Quarry and Bromsgrove, SW of Birmingham, Warwickshire County, England.

Horizon: Bromsgrove Sandstone Formation.

Biostratigraphy:

Age: Anisian Stage, Lower Mid Triassic epoch, Middle Triassic.

Material: Partial skull, including snout, maxilla and orbital area back to the anterior areas of the temporal fenestrae.

Referred material:

WARMS Gz17: Dorsal vertebra (may or may not belong to Langeronyx, as per EZCURRA, MONTEFELTRO, & BUTLER, 2016).

WARMS Gz19: Left ischium (may or may not belong to Langeronyx, as per EZCURRA, MONTEFELTRO, & BUTLER, 2016).

WARMS Gz34: Interclavicle (may or may not belong to Langeronyx, as per EZCURRA, MONTEFELTRO, & BUTLER, 2016).

WARMS Gz950/1 and 2: Right dentary and (?) fragments of splenial.

WARMS Gz955: Small right maxilla.

WARMS Gz959: Posterior part of right dentary.

WARMS Gz960: Right maxilla.

WARMS Gz4712: Anterior end of left dentary and splenial.

WARMS Gz4715: Snout region of skull, both premaxillae, parts of maxillae and vomers, and tip of dentary.

MNH R8495 (renumbered from R2623A): Mandible and ventral parts of skull in two pieces, including dentary, splenial, maxilla and fragments of palate.

BMNH R2623 (renumbered from R2623C): Fragment of a left dentary.

BMNH R8494 (renumbered from R2623B): Right maxilla, posterior portion, with parts of palatine, ectopterygoid and jugal.

BGS GSM 59745: Left maxilla.

BGS GSM 90493: Left maxilla.

 

Locality: Leamington Quarry (?SP 325666), Warwickshire County, England.

Horizon: Bromsgrove Sandstone Formation.

Biostratigraphy:

Age: Anisian Stage, Lower Mid Triassic epoch, Middle Triassic.

Material:

WARMS Gz1046: Small right premaxilla.

 

= Rhynchosaurus brodiei (?)

Locality: Bromsgrove, Warwickshire County, England.

Horizon: Bromsgrove Sandstone Formation.

Biostratigraphy:

Age: Anisian Stage, Lower Mid Triassic epoch, Middle Triassic.

Horizon: Middle Triassic.

Material:

CAMSM G336: Small right maxilla.

CAMSM G337: Posterior portion of a small left maxilla.

 

= Anisodon gracilis OWEN, 1841 (nomen dubium)
Etymology: Latin, gracilis, "slender."

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= Labyrinthodon leptognathus OWEN, 1942
Etymology: Greek, leptos, "slender, slim" and Latin, gnathus, "jaw."

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= Labyrinthodon pachygnathus OWEN, 1842
Etymology: Greek, pachys, "thick" and Latin, gnathus, "jaw."

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= Hyperodapedon HUXLEY, 1869
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= Hyperodapedon minor BURKHARDT, 1900 (nomen dubium)
Etymology: Latin, minor, "minor, small."

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= Hyperodapedon gordoni NEWTON, 1905
= Hyperodapedon gordoni ALLEN, 1909
= Hyperodapedon gordoni HUENE, 1929

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= Rhynchosaurus sp HUENE, 1929

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= Rhynchosaurus articeps WALKER, 1969
= Rhynchosaurus articeps CHATTERJEE, 1980

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= Rhynchosaurus sp BENTON, 1983

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