Where: Navajo County, Arizona (36.0° N, 111.0° W: paleocoordinates 37.4° N, 74.2° W)
• coordinate stated in text
• small collection-level geographic resolution
When: upper sandstone Member (Dakota Formation), Late/Upper Cenomanian (99.6 - 93.5 Ma)
• Collection comes from the upper Cenomanian Metoicoceras mosbyensis Zone
• bed-level stratigraphic resolution
Environment/lithology: estuary or bay; lithified sandstone and lithified sandstone
Size classes: macrofossils, microfossils
Preservation: mold/impression, recrystallized
Reposited in the NMMNH
Collection methods: bulk, quarrying,
Primary reference: J. I. Kirkland. 1996. Paleontology of the Greenhorn cylcothem (Cretaceous: late Cenomanian to middle Turonian) at Black Mesa, northeastern Arizona. New Mexico Museum of Natural History and Science Bulletin 9:1-131 [P. Harries/P. Harries/P. Harries]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 53505: authorized by Peter Harries, entered by Peter Harries on 10.09.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Echinoidea | |
"Hemiaster cf. jacksoni" = Mecaster batnensis
"Hemiaster cf. jacksoni" = Mecaster batnensis Coquand 1862 heart urchin | |
Cephalopoda | |
Pseudocalycoceras angolaense Spath 1931 ammonite | |
Yezoites delicatulus ammonite | |
Gastropoda | |
Eunaticina textilis moon snail | |
Graphidula walcotti snail | |
? Eulima funicula snail | |
Turritella "B" Lamarck 1799 turret shell
Turritella whitei turret shell | |
Bivalvia | |
Modiolus perryi n. sp.
Modiolus perryi n. sp. mussel | |
Gervillia navajovus n. sp.
Gervillia navajovus n. sp. oyster | |
Phelopteria "A" Stephenson 1953 pearl oyster | |
Gryphaeostrea elderi n. sp.
Gryphaeostrea elderi n. sp. oyster | |
Limatula kochi file clam | |
Camptonectes "A" Meek 1864 scallop | |
"Inoceramus pictus" = Inoceramus (Inoceramus) pictus
"Inoceramus pictus" = Inoceramus (Inoceramus) pictus Sowerby 1829 clam | |
"Idonearca depressa" = Cucullaea (Idonearca)
"Idonearca depressa" = Cucullaea (Idonearca) clam | |
Arca sp. Linnaeus 1758 ark | |
Teredolithus sp. Bartsch 1930 clam | |
Corbula sp. Bruguière 1789 clam |