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
Cassitella baculata2 Malinky and Skovsted 2004
 Chancelloriida - Chancelloriidae
Chancelloria sp. Walcott 1920
Archiasterella sp.2 Sdzuy 1969
Salterella maccullochi
  - Salterellidae
 Hyolithelminthida - Hyolithellidae
Hyolithellus sp.2 Billings 1872
 Agnostida - Calodiscidae
Calodiscus lobatus2 Hall 1847
 Obolellida - Obolellidae
Obolella crassa2 Hall 1847
 Lingulida - Eoobolidae
Eoobolus priscus2 Poulsen 1932
 Paterinida - Paterinidae
Micromitra bella2 Billings 1872
 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
 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
 Fordillida - Fordillidae
Pojetaia runnegari2 Jell 1980 clam
  - Halkieriidae
Ocruranus sp.2 Liu 1979