Where: California (41.1° N, 122.3° W: paleocoordinates 19.5° N, 39.5° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Nosoni Formation, Roadian to Roadian (272.3 - 264.3 Ma)
• bed-level stratigraphic resolution
Environment/lithology: deep-water; lithified shale
Size class: macrofossils
Primary reference: A. H. Coogan. 1960. Stratigraphy and paleontology of the Permian Nosoni and Dekkas Formations (Bollibokka Group). University of California Publications in Geological Sciences 36(5):243-316 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 105658: authorized by Matthew Clapham, entered by Matthew Clapham on 23.02.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Aviculopecten spp. M'Coy 1851 scallop
Aviculopecten cf. occidentalis Shumard 1855 scallop | |
Strophomenata | |
Cancrinella phosphatica Girty 1910
Anidanthus shastensis Coogan 1960
Linoproductus ? nasutus King 1931 | |
"Dictyoclostus arcticus" = Thamnosia arctica
"Dictyoclostus arcticus" = Thamnosia arctica Whitfield 1908 | |
"Dictyoclostus" sp. Muir-Wood 1930
"Muirwoodia californica" = Yakovlevia californica Coogan 1960 | |
Rhynchonellata | |
Hustedia sp. Hall and Clarke 1893 | |
Composita cf. subtilita Hall 1852 | |
Phricodothyris sp. George 1932 | |
"Stenoscisma venusta" = Stenoscisma venustum
"Stenoscisma venusta" = Stenoscisma venustum Girty 1909 |