Where: Sonora, Mexico (30.1° N, 111.7° W: paleocoordinates 16.4° N, 50.7° W)
When: Middle Member (Sierra de Santa Roas Formation), Early/Lower Pliensbachian (189.6 - 183.0 Ma)
Environment/lithology: coastal; lithified sandstone and lithified mudstone
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 115215: authorized by Arnold Miller, entered by Sarah Kolbe on 31.08.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Modiolus cf. baylei mussel | |
Pinna cf. folium Young and Bird 1822 oyster | |
Gervillella araucana Damborenea 1987 oyster
Gervillella leesi Aberhan and Muster 1997 oyster | |
Agerchlamys wunschae Marwick 1953 scallop | |
Weyla bodenbenderi Behrendsen 1891 scallop
Weyla titan Moricke 1894 scallop
Weyla alata von Buch 1838 scallop | |
Ctenostreon "sp. A" Eichwald 1862 file clam
Antiquilima cf. nodulosa Terquem 1855 file clam | |
"Entolium corneolum" = Entolium (Entolium) corneolum
"Entolium corneolum" = Entolium (Entolium) corneolum Young and Bird 1828 scallop | |
Neocrassina gueuxi d'Orbigny 1850 clam | |
Lucinidae indet. Fleming 1828 clam | |
Pleuromya uniformis Sowerby 1813 clam | |
Ceratomya concentrica Sowerby 1822 clam | |
Myoconcha neuquena Leanza 1940 clam | |
Protocardia luggudensis Troedsson 1951 cockle | |
Goniomya "sp. A" Agassiz 1842 clam | |
Frenguelliella poultoni Leanza 1993 clam |