Sh. 0.7 - Sheldonville (Cambrian of the United States)

Where: Massachusetts (42.0° N, 71.4° W: paleocoordinates 39.7° S, 92.5° W)

• outcrop-level geographic resolution

When: Sunnaginia imbricata small shelly zone, Lower Member (Weymouth Formation), Tommotian (525.5 - 521.0 Ma)

• Aldanella attleborensis zone

• bed-level stratigraphic resolution

Environment/lithology: lithified wackestone

• algal mud mounds with fossil has wacke- to grainstone matrix betwen domes, red, argillaceous, slaty strong definition of mud mounts along slip cleavage.

Size class: macrofossils

Collection methods: bulk, chemical

Primary reference: E. Landing. 1988. Lower Cambrian of eastern Massachusetts: stratigraphy and small shelly fossils. Journal of Paleontology 62(5):661-695 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 56825: authorized by Pete Wagner, entered by Pete Wagner on 26.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Helcionelloida
 Helcionellida - Helcionellidae
Bemella bella
Bemella bella Chen and Zhang 1980
 Pelagiellida - Aldanellidae
Aldanella attleborensis
Aldanella attleborensis Shaler and Foerste 1888
Brachiopoda
 Tommotiida - Sunnaginiidae
Sunnaginia imbricata
Sunnaginia imbricata Rozanov et al. 1969
Plinthokonion
  -
Plinthokonion arethion
 Hyolithelminthida - Torellellidae
Torellella laevigata
Torellella laevigata Linnarsson 1871