Bucklin Township, near Marmarth (Cretaceous of the United States)

Also known as Gamerabaena sonsalla type locality

Where: Slope County, North Dakota (46.3° N, 103.9° W: paleocoordinates 52.5° N, 77.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Hell Creek Formation (Montana Group), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• Approximately 66 m below the Fort Union formational contact

Environment/lithology: channel lag; conglomerate

• channel lag deposit
• clay pebble conglomerate

Size class: macrofossils

Preservation: soft parts

Primary reference: T. R. Lyson and W. G. Joyce. 2010. A new baenid turtle from the Upper Cretaceous (Maastrichtian) Hell Creek Formation of North Dakota and a preliminary taxonomic review of Cretaceous Baenidae. Journal of Vertebrate Paleontology 30(2):394-402 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 118381: authorized by Philip Mannion, entered by Philip Mannion on 13.10.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gnathostomata
  -
Osteichthyes indet.
Osteichthyes indet. bony fish
fish vertebrae
Reptilia
 Loricata -
"Crocodilia indet." = Crocodylia
"Crocodilia indet." = Crocodylia Owen 1842 crocodilian
Teeth
 Testudines - Trionychidae
Trionychidae indet.
Trionychidae indet. Gray 1825 softshell turtle
trionychid shell fragments
 Testudinata - Baenidae
Gamerabaena sonsalla n. gen. n. sp.
Gamerabaena sonsalla n. gen. n. sp. Lyson and Joyce 2010 turtle
ND 06-14.1 - holotype (a well-preserved, incomplete skull without mandible)
Actinopteri
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet.
Lepisosteidae indet. Cuvier 1825 gar
gar scales