Also known as LACMNH locality 17194; Margaretia chamblessi type locality
Where: San Bernardino County, California (34.6° N, 115.5° W: paleocoordinates 2.1° S, 98.3° W)
• coordinate stated in text
When: Bristolia trilobite zone, Latham Formation, Dyeran (515.3 - 511.2 Ma)
• Trilobites found throughout the Latham Shale are from the Bristolia subzone of the Bonnia-Olenellus Zone, indicating that the Latham Shale belongs to the upper Dyeran Stage of the Waucoban Series as proposed by PALMER(1998).
Environment/lithology: marine; fine-grained, brown, gray, green siltstone and quartzite
•approximately 25 m thick, and is predominantly composed of greenish-gray, brown, and pink fine-grained siltstone, with minor interstratified quartzite,
•silty sandstone and limestone (Figure 1; see also HAZZARD1954; STEWART 1970).
Size class: macrofossils
Preservation: mold/impression
Collected by B. M. Waggoner and J. W. Hagadorn in 1999; reposited in the LACM
Collection methods: surface (float),
Primary reference: B. M. Waggoner and J. W. Hagadorn. 2004. An unmineralized alga from the Lower Cambrian of California, USA. Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 231(1):67-83 [J. Marcot/J. Marcot]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 192227: authorized by Jonathan Marcot, entered by Jonathan Marcot on 16.03.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
| Bryopsidophyceae | |
Margaretia chamblessi n. sp.
| |