Expedition Fiord, Axel Heiberg (Cretaceous of Canada)

Where: Nunavut, Canada (79.4° N, 92.2° W: paleocoordinates 71.1° N, 13.1° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Kanguk Formation, Turonian (93.9 - 89.8 Ma)

• located between top of Strand Fiord subaerial flood basal and base of marine shale of Kanguk Formation; 3 m thick unit

• bed-level stratigraphic resolution

Environment/lithology: estuary or bay; siltstone and shale

• "siltstone and shale"

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collected by J. Tarduno et al. in 1996-2000

Collection methods: bulk, quarrying, mechanical, peel or thin section, sieve,

• University of Rochester (UR) collection

Primary reference: J. A. Tarduno, D. B. Brinkman, P. R. Renne, R. D. Cottrell, H. Scher and P. Castillo. 1998. Evidence for extreme climatic warmth from Late Cretaceous Arctic vertebrates. Science 282:2241-2244 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 45559: authorized by Matthew Carrano, entered by Matthew Carrano on 09.11.2004, edited by Kaitlin Maguire, Roger Benson and Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Teleostei -
Osteoglossomorpha indet.3 Greenwood et al. 1966
 Amiiformes - Amiidae
Vidalamiinae indet.3 Grande and Bemis 1998 bowfin
Amiinae indet.3 Bonaparte 1837 bowfin
aff. Cyclurus sp.3 Agassiz 1843 bowfin
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet.3 Cuvier 1825 gar
Reptilia
 Testudines - Macrobaenidae
Aurorachelys gaffneyi n. gen. n. sp.6
Aurorachelys gaffneyi n. gen. n. sp.6 Vandermark et al. 2009 turtle
Holotype UR 06.085; impressions of the dorsal and ventral carapacial surfaces, and impressions of posterior plastron with a single hyoplastron and both hypoplastra and xiphiplastra.
 Testudines - Trionychidae
Trionychidae indet.2 Gray 1825 softshell turtle
 Testudines -
Eucryptodira indet.2 Gaffney 1975 turtle
Borealochelys axelheibergensis n. gen. n. sp.2 Brinkman and Tarduno 2005 turtle
Aves
 Ornithurae -
Tingmiatornis arctica n. gen. n. sp.1
Tingmiatornis arctica n. gen. n. sp.1 Bono et al. 2016 bird
NUFV 1960 - holotype; referred specimens: UR 00.200 andNUFV 1838
Reptilia
 Choristodera -
Champsosaurus sp.5 Cope 1876 choristodere
Minimumum number of individuals 21 (Vandermark et al 2007)
 Sauropterygia - Elasmosauridae
Elasmosauridae indet.4 Cope 1869 elasmosaur
2 teeth (UR 00.210, 00.211)