HNR-51.2 - Hoppin Resevoir North, Attleboro (Cambrian of the United States)

Where: Massachusetts (42.0° N, 71.3° W: paleocoordinates 70.7° S, 63.9° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Lower Member (Weymouth Formation), Tommotian (525.5 - 521.0 Ma)

• Aldanella attleborensis zone

• bed-level stratigraphic resolution

Environment/lithology: lithified, red, argillaceous wackestone

• wacke- to packestone, local grainstone lenses, bright red, argillaceous, slaty

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 56830: 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
Scyphozoa
 Anabaritida - Anabaritidae
"Tiksitheca korobovi" = Anabarites korobovi
"Tiksitheca korobovi" = Anabarites korobovi Rozanov and Missarzhevsky 1966 jellyfish
 Hyolithelminthida - Torellellidae
Torellella laevigata
Torellella laevigata Linnarsson 1871
Orthothecimorpha
 Circothecida -
"Ladatheca" cylindrica
Hyolitha
 Orthothecida - Gracilithecidae
Gracilitheca sp.
Gracilitheca sp. Syssoiev 1968
 Orthothecida - Allathecidae
"Allatheca" sensu lato degeeri
 Orthothecida - Circothecidae
Conotheca mammilata
Conotheca mammilata Rozanov et al. 1969
Brachiopoda
 Tommotiida - Sunnaginiidae
Sunnaginia imbricata
Sunnaginia imbricata Rozanov et al. 1969
 Tommotiida -
Eccentrotheca kanesia
Eccentrotheca kanesia Landing et al. 1980
 Tommotiida - Lapworthellidae
Lapworthella laudvigseni
Helcionelloida
  - Stenothecidae
Watsonella crosbyi
Watsonella crosbyi Grabau 1900
Aculifera
  - Halkieriidae
Halkieria sp.
Halkieria sp. Poulsen 1967