Where: San Juan County, New Mexico (36.3° N, 108.3° W: paleocoordinates 43.6° N, 79.6° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Fruitland Formation, Late/Upper Campanian (83.5 - 70.6 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; coal
Size class: mesofossils
Collection methods: quarrying, surface (float), mechanical,
Primary reference: P. J. Hutchinson and B. S. Kues. 1985. Depositional environments and paleontology of Lewis Shale to lower Kirtland Shale sequence (Upper Cretaceous), Bisti area, northwestern New Mexico. New Mexico Bureau of Mines & Mineral Resources Circular 195:24-54 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 52052: authorized by Matthew Carrano, entered by Kaitlin Maguire on 15.07.2005, edited by John Alroy and David Nicholson
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Teredina sp. clam | |
Gymnolaemata | |
? Conopeum sp. Gray 1848 | |
Malacostraca | |
? Xanthoidea indet. MacLeay 1838 crab | |
Chondrichthyes | |
Hybodus sp. Agassiz 1834 elasmobranch | |
Lonchidion selachos Estes 1964 elasmobranch
? Lonchidion selachos Estes 1964 elasmobranch | |
Squatirhina sp. Casier 1947 ray | |
Myledaphus bipartitus Cope 1876 guitarfish | |
Ptychotrygon aff. triangularis Reuss 1845 ray | |
Mammalia | |
Mammalia indet. Linnaeus 1758 mammal | |
Reptilia | |
"Baena nodosa" = Denazinemys nodosa Gilmore 1916 turtle | |
Adocus sp. Cope 1868 turtle | |
Trionychidae indet. Gray 1825 softshell turtle | |
Leptochamops denticulatus Gilmore 1928 squamates | |
"Crocodilia indet." = Crocodylia Owen 1842 crocodilian | |
? Brachychampsa sp. Gilmore 1911 crocodilian | |
Hadrosauridae indet. Cope 1869 hadrosaurid | |
? Thescelosaurus sp. Gilmore 1913 ornithopod | |
Dromaeosauridae indet. Colbert and Russell 1969 maniraptoran | |
Actinopteri | |
Lepisosteus sp. Agassiz 1843 gar | |
Amia sp. Linnaeus 1766 bowfin
Amia cf. uintaensis Leidy 1873 bowfin | |
Paralbula cf. casei Estes 1969
cf. Pseudoegertonia sp. Dartevelle and Casier 1949 originally entered as "cf. Pseudoegertonia indet."
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