Baculum Draconis Quarry (BDQ) (Cretaceous of the United States)

Also known as ETE Locality 1512, Baculum Draconis Quarry (BDQ),

Where: Wyoming (43.3° N, 104.5° W: paleocoordinates 49.9° N, 78.7° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Lance Formation, Maastrichtian (72.1 - 66.0 Ma)

• ETE dating method: time_unit, ETE age comment: . radiometric intage_min

• bed-level stratigraphic resolution

Environment/lithology: "channel"

• ETE sed env 1: fluvial, ETE sed env 2: channel ETE event: ., ETE env comment: .
• ETE rock type adj: 0, ETE lithology comments: .

Size classes: macrofossils, mesofossils

Collection methods: ETE Size: .; ETE reference list: 478, ; ETE museum list:

Primary reference: P. D. Semonche. 1999. A diverse bonebed near K/T bounary in Wyoming. In: Abstracts of papers: Fifty-ninth annual meeting of Society of Vertebrate Paleontologists; Journal of Vertebrate Paleontology 19(3 Suppl.):1-78 [A. Behrensmeyer/A. Behrensmeyer/M. Kosnik]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 22638: authorized by Anna Behrensmeyer, entered by Anna Behrensmeyer on 27.03.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Myliobatiformes - Dasyatidae
Dasyatidae indet. Jordan 1888 whiptail stingray
ETE occurrence; species: Dasyatidae
Actinopteri
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet. Cuvier 1825 gar
ETE occurrence; species: Lepisostidae
Reptilia
 Saurischia -
Saurischia indet. saurischian
ETE occurrence; species: mak- genus name from order name
 Neornithischia - Pachycephalosauridae
Pachycephalosauridae indet. Sternberg 1945 ornithischian
ETE occurrence; species: Pachycephalosauridae
 Neornithischia - Ceratopsidae
Ceratopsidae indet. Marsh 1888 ceratopsid
ETE occurrence; species: Ceratopsidae
 Neornithischia - Hadrosauridae
Hadrosauridae indet. Cope 1869 hadrosaurid
ETE occurrence; species: Hadrosauridae
 Loricata -
Crocodylia indet. crocodilian
ETE occurrence; species: mak - genus name from order name
 Squamata - Varanidae
Varanidae indet. Hardwicke and Gray 1824 monitor lizard
ETE occurrence; species: Varanidae
 Choristodera - Champsosauridae
Champsosauridae indet. Cope 1876 champsosaur
ETE occurrence; species: Champsosauridae
Mammalia
 Allotheria -
Multituberculata indet. Cope 1884 multituberculate
ETE occurrence; species: mak - genus name from order name