NCPALEO1906, Moncure (Triassic of the United States)

Where: Chatham County, North Carolina (35.6° N, 79.1° W: paleocoordinates 9.9° N, 22.9° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Cumnock Formation (Chatham Group), Norian (228.0 - 208.5 Ma)

• "These strata have been mapped as the Sanford Fm but are proximal fan facies laterally equivalent to more distal Cumnock Fm strata elsewhere in the basin" (Heckert et al. 2008)

•

•"Conewagian LVF", previously considered late Carnian in age but redated as early Norian (Sues & Fraser 2010. Triassic Life on Land)

•

•Sanford subbasin of the Richmond Basin.

•

•Considered early Norian in Heckert et al. 2012.

• bed-level stratigraphic resolution

Environment/lithology: "floodplain"; red, blue mudstone and lenticular, paleosol/pedogenic, gray, red siltstone

• "'red-bed' siliciclastics...principally of red and purple mudstone and thin (<1.5 m thick) lenses of red and gray siltstone and sandstone...The fossils documented here occur in a thin lens of purplish gray, pedogenically modified siltstone."

Size classes: macrofossils, mesofossils

Collected by Heckert in 2001-2008

Collection methods: bulk, chemical, sieve,

• NCSM, North Carolina Museum of Natural Sciences, Raleigh

Primary reference: J. S. Mitchell, A. B. Heckert, and H.-D. Sues. 2010. Grooves to tubes: evolution of the venom delivery system in a Late Triassic reptile. Naturwissenschaften 97:1117-1121 [R. Butler/R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 99541: authorized by Richard Butler, entered by Richard Butler on 15.11.2010, edited by Matthew Carrano and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Osteichthyes
 Ceratodontiformes - Arganodontidae
Arganodus sp.1
Arganodus sp.1 Martin 1979 Australian lungfish
NCSM 20742-3
 Amniota -
Amniota indet.1
Amniota indet.1 Haeckel 1866 amniote
triangular teeth; NCSM 25187
 Therapsida -
Cynodontia indet.1, Microconodon sp.1, aff. Boreogomphodon sp.1
Cynodontia indet.1 cynodont
NCSM 24726
Microconodon sp.1 Osborn 1886 cynodont
NCSM 24747, 23576, 21649, 23560
aff. Boreogomphodon sp.1 Sues and Olsen 1990 cynodont
NCSM 24723, 24749, 23569, 24722
Reptilia
 Diapsida -
Archosauriformes indet.3, Uatchitodon schneideri n. sp., Crosbysaurus sp.1
Archosauriformes indet.3 Gauthier 1986 archosauromorph
NCSM 24739, 25156-7
Uatchitodon schneideri n. sp. Mitchell et al. 2010 archosauromorph
NCSM 24753 (holotype), NCSM 24732, 24754–24757, 25238–25252, teeth
Crosbysaurus sp.1 Heckert 2004 archosauromorph
NCSM 25166
 Phytosauria - Parasuchidae
"Phytosauridae indet." = Mystriosuchinae3
"Phytosauridae indet." = Mystriosuchinae3 von Huene 1915 archosaur
NCSM 23552-3, 23587-8
 Pseudosuchia -
""Rauisuchia" indet." = Suchia1, ? Revueltosaurus sp.1, Revueltosaurus olseni1, "Galtonia gibbidens" = Thecodontosaurus gibbidens2
""Rauisuchia" indet." = Suchia1 Krebs 1974 archosaur
NCSM 19583, 20831
? Revueltosaurus sp.1 Hunt 1989 aetosaur
NCSM 24728, 25192-5, 25228
Revueltosaurus olseni1 aetosaur
NCSM 21647, 21650-2, 23539, 23541-6, 23548-50, 23552-7, 24727, 24758-62, 25185-25229
"Galtonia gibbidens" = Thecodontosaurus gibbidens2 Cope 1878 aetosaur
NCSM 23538, 24730
 Eosuchia -
Lepidosauromorpha indet.1
Lepidosauromorpha indet.1 Benton 1983 crown diapsid
NCSM 25177-8, 24741
 Eosuchia - Sphenodontidae
Sphenodontidae indet.1
Sphenodontidae indet.1 Cope 1871 lepidosaur
NCSM 24734
Osteichthyes
  -
Colognathus obscurus1
Colognathus obscurus1 Case 1928 amniote
NCSM 25186, 25165
Amphibia
 Temnospondyli -
Stereospondyli indet.1
Stereospondyli indet.1 von Zittel 1887 tetrapod
Small centra and textured skull elements
Gnathostomata
  -
Actinopterygii indet.1
Actinopterygii indet.1 ray-finned fish
NCSM 25695, 24735
Actinopteri
 Semionotiformes - Semionotidae
Semionotidae indet.3
Semionotidae indet.3 Woodward 1890
Scales; NCSM 25696-7
Osteichthyes
 Palaeonisciformes - Redfieldiidae
Redfieldiidae indet.3
Redfieldiidae indet.3 Hutchinson 1973
Scales; NCSM 25015, 25717-25719
1Heckert et al. 2012; 2Heckert et al. 2008; 3Heckert et al. 2008