Small's Quarry, Garden Park (Jurassic of the United States)

Also known as DMNH Quarry 6, CO-11

Where: Fremont County, Colorado (38.5° N, 105.2° W: paleocoordinates 34.3° N, 52.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Brushy Basin Member (Morrison Formation), Tithonian (152.1 - 145.0 Ma)

• upper middle part of formation, also described as "low in the Brushy Basin Member"

• bed-level stratigraphic resolution

Environment/lithology: pond; lenticular, gray, carbonaceous mudstone

• "a small pond"; "an overbank pond that experienced occasional input of channel splays"
• "a lenticular gray lacustrine mudstone...The mudstone is carbon rich, some of which is in the form of fusain or charcoal."

Size classes: macrofossils, mesofossils

Collected by B. Small in 1992; reposited in the DMNH

Collection methods: quarrying, mechanical,

Primary reference: J. D. Harris and K. Carpenter. 1996. A large pterodactyloid from the Morrison Formation (Late Jurassic) of Garden Park, Colorado. Neues Jahrbuch für Geologie und Paläontologie Monatshefte 1996(8):473-484 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 48161: authorized by Matthew Carrano, entered by Matthew Carrano on 15.03.2005, edited by Jonathan Tennant

Creative Commons license: CC BY (attribution)

Taxonomic list

Gnathostomata
  -
Actinopterygii indet.4 ray-finned fish
Amphibia
 Caudata -
? Caudata indet.7 salamander
 Salientia -
Reptilia
 Squamata -
 Pterosauria -
Kepodactylus insperatus n. gen. n. sp.
Kepodactylus insperatus n. gen. n. sp. Harris and Carpenter 1996 pterosaur
DMNH 21684 (holotype), cervical, left humerus, phalange and metatarsal. Incorrectly listed as "Kepodactylus grandis" in 12893
 Theropoda -
Ceratosauria indet.3 ceratosaur
DMNH 36284
 Saurischia - Diplodocidae
"Apatosaurus excelsus" = Brontosaurus excelsus2
"Apatosaurus excelsus" = Brontosaurus excelsus2 Marsh 1879 diplodocid
 Saurischia - Camarasauridae
Camarasaurus grandis5 Marsh 1877 camarasaurid
 Ornithischia -
Ornithopoda indet.2 ornithopod
 Ornithischia - Dryosauridae
Dryosaurus sp.2 Marsh 1894 ornithopod
 Ornithischia -
 Ornithischia - Stegosauridae
Stegosaurus stenops1 Marsh 1887 ornithischian
DMNH 2818
 Loricata - Goniopholididae
Goniopholis sp.2 Owen 1842 crocodilian
 Eosuchia -
Opisthias sp.7 Gilmore 1909 lepidosaur
 Testudines -
"Chelonia indet." = Testudines4
"Chelonia indet." = Testudines4 Batsch 1788 turtle
 Testudinata - Pleurosternidae
Glyptops plicatulus2 Cope 1877 turtle
Dinochelys sp.4 Gaffney 1979 turtle
Mammalia
  -
Mammalia indet.4 Linnaeus 1758 mammal
 Theriamorpha - Dryolestidae
Dryolestidae indet.2 Marsh 1879 mammal
"new genus and species"
Osteichthyes
 Docodonta - Docodontidae
Docodon sp.2 Marsh 1881 dodocont
Docodon apoxys n. sp.6 Rougier et al. 2014 dodocont
DMNH 42198, a nearly complete left dentary with alveoli for i1–i4, p1, and crowns of the canine, p2–p4, and m1–m7; DMNH 42196, a partial left dentary missing most of the postdentary region, preserving crowns of p2–p4 and m1–m7; DMNH 42197, a partial left dentary missing most of the postdentary region, preserving alveoli for i1–i4 and p3, roots of the canine, and crowns of p1, p2, and p4, and m1–m7
 Dipnoi - Ceratodontidae
Ceratodus guentheri2 Marsh 1878 lungfish