Where: Sonora, Mexico (30.2° N, 112.2° W: paleocoordinates 20.7° N, 54.4° W)
When: Sierra de Santa Roas Formation, Early/Lower Pliensbachian (189.6 - 183.0 Ma)
Environment/lithology: offshore; lithified, calcareous shale and lithified, sandy limestone
Size class: macrofossils
Preservation: cast, mold/impression
Primary reference: A. Scholz, M. Aberhan, and C.M. León. 2008. Early Jurassic bivalves of the Antimonio terrane (Sonora, NW Mexico): Taxonomy, biogeography, and paleogeographic implications. Geological Society of America Special Paper 442:269-312 [A. Miller/S. Kolbe/P. Wagner]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 115217: authorized by Arnold Miller, entered by Sarah Kolbe on 31.08.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
| Bivalvia | |
|
Frenguelliella poultoni Leanza 1993 clam | |
|
Groeberella "sp. A" Leanza 1993 clam | |
|
? Cardinia "sp. A" Agassiz 1841 clam | |
|
Neocrassina gueuxi d'Orbigny 1850 clam | |
|
Ceratomya petricosa Simpson 1855 clam | |
|
Protocardia "sp. A" Beyrich 1845 cockle | |
|
Lucinidae indet. Fleming 1828 clam | |
|
Modiolus giganteus Quenstedt 1857 mussel | |
|
Grammatodon sulcatus Aberhan 1994 clam | |
|
Weyla bodenbenderi Behrendsen 1891 scallop
Weyla alata von Buch 1838 scallop | |
|
Agerchlamys wunschae Marwick 1953 scallop | |
|
Plicatula "sp. A" Lamarck 1801 scallop | |
|
? Pseudolimea "sp. A" Douglas and Arkell 1932 file clam
Plagiostoma "sp. A" Sowerby 1814 file clam | |
|
Pinna cf. folium Young and Bird 1822 oyster | |
|
Gervillia "sp. A" Defrance 1820 oyster | |