NMMNH L-4211, Apache Canyon (Triassic of the United States)

Where: Quay County, New Mexico (35.0° N, 103.7° W: paleocoordinates 9.9° N, 43.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Quay Member (Redonda Formation), Norian (228.0 - 208.5 Ma)

• upper part of Redonda Formation, 2.3 m below a prominent ledge-forming sandstone, the "Redonda Bench". Apachean LVF.

• bed-level stratigraphic resolution

Environment/lithology: channel lag; conglomerate and bentonitic mudstone

• Small-scale channel draining into a lake
• "infraformational conglomerate fining upward into a bentonitic mudstone"

Size classes: macrofossils, mesofossils

Collected by P. Sealey; reposited in the NMMNH

Collection methods: quarrying, surface (in situ),

Primary reference: A. B. Heckert, S. G. Lucas, A. P. Hunt and J. D. Harris. 2001. A giant phytosaur (Reptilia: Archosauria) skull from the Redondo Formation (Upper Triassic: Apachean) of east-central New Mexico. New Mexico Geological Society, 52nd Field Conference, Geology of the Llano Estacado 52:169-176 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93672: authorized by Richard Butler, entered by Richard Butler on 27.01.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

 Semionotiformes - Semionotidae
Semionotidae indet. Woodward 1890
NMMNH P-31298, 31299, scales
Reptilia indet. Laurenti 1768 reptile
NMMNH P-36187, 37068, tooth and scute
 Pseudosuchia - Stagonolepididae
Apachesuchus heckerti n. gen. n. sp.
Apachesuchus heckerti n. gen. n. sp. Spielmann and Lucas 2012 archosaur
NMMNH P-31100, 63426, 63427, three paramedian plates
 Phytosauria - Parasuchidae
Redondasaurus gregorii Hunt and Lucas 1993 archosaur
NMMNH P-31094, giant skull. NMMNH P-31095, smaller skull. NMMNH P-31096-31099, 31101, 31102, 31300-31303, 31588-31591, 36183-36186, 36188, 39298,39299, 39301-39305