JSP1982−01. Highway 73 road cut 12 km E of Rocky Harbour near head of Dear Arm, gros Morne (Cambrian of Canada)

Also known as near the head of Dear Arm, Gros Morne

Where: Newfoundland and Labrador, Canada (49.6° N, 57.8° W: paleocoordinates 40.1° S, 73.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Dear Arm Member (Forteau Formation), Dyeran (515.3 - 511.2 Ma)

• member near the middle of the formation; originally given as Lenian and now given as middle Dyeran.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, gray limestone

• 4.6 m. thick layer of grey, bioclastic limestone

Size class: macrofossils

Reposited in the GSC

Primary reference: J. S. Peel. 1987. Yochelcionella americana (Mollusca) from the Lower Cambrian of Newfoundland. Canadian Journal of Earth Sciences 24(11):2328- 2330 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 50783: authorized by Pete Wagner, entered by Pete Wagner on 22.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Clavitella curvata
  -
Clavitella curvata n. gen. n. sp.2
Clavitella curvata n. gen. n. sp.2 Skovsted and Peel 2007
Sphenopteron boomerang
  -
Sphenopteron boomerang n. gen. n. sp.2
Sphenopteron boomerang n. gen. n. sp.2 Skovsted and Peel 2007
Coleolidae
  - Coleolidae
Cassitella baculata2 Malinky and Skovsted 2004
Coeloscleritophora
 Chancelloriida - Chancelloriidae
Chancelloria sp. Walcott 1920
Archiasterella sp.2 Sdzuy 1969
Salterella maccullochi
  - Salterellidae
 Hyolithelminthida - Hyolithellidae
Hyolithellus sp.2 Billings 1872
Artiopoda
 Agnostida - Calodiscidae
Calodiscus lobatus2 Hall 1847
Obolellata
 Obolellida - Obolellidae
Obolella crassa2 Hall 1847
Lingulata
 Lingulida - Eoobolidae
Eoobolus priscus2 Poulsen 1932
Paterinata
 Paterinida - Paterinidae
Micromitra bella2 Billings 1872
Hyolitha
 Orthothecida - Triplicatellidae
? Triplicatella sp.3 Conway Morris 1990
Triplicatella peltata n. sp.3 Skovsted et al. 2004
 Orthothecida - Allathecidae
Allatheca sp.2 Rozanov et al. 1969
 Orthothecida -
Cupitheca holocyclata2 Bengtson et al. 1990
 Hyolithida -
Parkula sp.2 Bengtson et al. 1990
Helcionelloida
 Helcionellida - Helcionellidae
"Mackinnonia taconica" = Davidonia taconica2
"Mackinnonia taconica" = Davidonia taconica2 Landing and Bartowski 1996
 Helcionellida - Stenothecidae
Stenotheca sp.2 Hicks 1872
Planutenia flectata2 Elicki 1994
 Helcionellida - Yochelcionellidae
Yochelcionella americana Runnegar and Pojeta 1980
 Pelagiellida - Pelagiellidae
Pelagiella sp. Matthew 1895
Bivalvia
 Fordillida - Fordillidae
Pojetaia runnegari2 Jell 1980 clam
Aculifera
  - Halkieriidae
Ocruranus sp.2 Liu 1979