Ichnogenus: Gwyneddichnium BOCK, 1952
Etymology:
= Apachepus HUNT & LUCAS, 2007
Etymology: From Apache, for the name of the canyon from which the holotype derieves from and Latin, pus, "foot."
= Gwynnedichnium PETERS, 2000 (sic)

Ichnospecies: majore BOCK, 1952
Etymology: Latin, major, "greater."

Holotype: ANSP 15212

Locality: Gwynedd tunnel despots, Gwynedd, Montgomery County, Pennsylvania.

Horizon: Lokatong Formation.

Biostratigraphy:

Age: Late Triassic.

Material: Small quadrapedal footprints.

Paratype: ANSP 15213:

Referred material:

FILLMORE, SZAJNA, LUCAS, HARTLINE & SIMPSON, 2017

Locality: Silverdale Development Discovery Site (SDDS), Newark Basin, Bucks County, Pennsylvania.

Horizon: Tumble Falls Member, Lockatong Formation.

Biostratigraphy:

Age: Late Triassic.

Material:

VP-4575, VP-4576, VP-4577, VP-4593, VP-3469: Trackways.

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Ichnospecies: elongatum BOCK, 1952
Etymology:

Holotype: ANSP 15214

Locality: Gwynedd tunnel deposits, Gwynedd, Montgomery County, Pennsylvania.

Horizon: Lockatong Formation.

Biostratigraphy:

Age: Late Triassic.

Material: 1 complete pes.

Paratype: 15215

Note: Parrish, 1986, believes Gwyneddichnium belong to Tanytrachelos.
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Ichnospecies: minor BOCK, 1952
Etymology: Latin, minor, "minor."

Holotype: ANSP 15216

Locality: Gwynedd tunnel deposits, Gwynedd, Montgomery County, Pennsylvania.

Horizon: Lockatong Formation.

Biostratigraphy:

Age: Late Triassic.

Material: Several tracks of a small animal.

Paratype: 15217

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Ichnospecies: cottonorum (HUNT & LUCAS, 2007) LUCAS, SPIELMANN, KLEIN & LERNER, 2010
= Apachepus cottonorum HUNT & LUCAS, 2007
Etymology: For Bill and Jenny Cotton, who found the holotype of the genus.

Holotype: MDM P-017

Locality: NMMNH L 6954, Quay County, New Mexico.

Horizon: San Jon Creek Member, Redonda Formation.

Biostratigraphy:

Age: Apachean, Late Norian Stage, Late Triassic Epoch, Late Triassic.

Material: Trackway consisting of three left pes prints, one right pes print and possible manus print.

Referred material:

MDM P-017: Pedal print.

MDM P-015: Pedal print.

MDM P-02: ?Pedal print.

LUCAS, SPIELMANN, KLEIN & LERNER, 2010

Locality: NMMNH L-6954, northeast edge of Llano Estacado, Guadalupe and Quay Counties, east-central New Mexico.

Horizon: San Jon Creek Member, Redonda Formation, Chinle Group.

Biostratigraphy:

Age: Apachean, Late Norian Stage- Rhaetian Stage, Upper Late Triassic Epoch, Late Late Triassic.

Material:

MCCDM P-1657: Slap with isolated pes imprints in concave epirelief.

MCCDM P-02: 3 sapes with pes imprints in concave epirelief.

Locality: NMMNH L-7288, northeast edge of Llano Estacado, Guadalupe and Quay Counties, east-central New Mexico.

Horizon: San Jon Creek Member, Redonda Formation, Chinle Group.

Biostratigraphy:

Age: Apachean, Late Norian Stage- Rhaetian Stage, Upper Late Triassic Epoch, Late Late Triassic.

Material:

NMMNH P-57438: One slab with an isolated manus track in convex hyporelief.

NMMNH P-57452, P-57462: Two slabs with numerous manus and pes imprints in convex hyporelief.

NMMNH P-57429, P-57439: Two slabs with trackways wiht manus and pes impressions in convex hyporelief.

 

Locality: NMMNH L-7580, northeast edge of Llano Estacado, Guadalupe and Quay Counties, east-central New Mexico.

Horizon: San Jon Creek Member, Redonda Formation, Chinle Group.

Biostratigraphy:

Age: Apachean, Late Norian Stage- Rhaetian Stage, Upper Late Triassic Epoch, Late Late Triassic.

Material:

NMMNH P-57486: One slab with an isoalted manus track in concave epirelief.

NMMNH P-57510: One slabs with numerous manus and pes imprints in convex hyporelief.