Boulder 64 (Levis), Levis Formation, Quebec, Canada - Rasetti 1963 (Cambrian of Canada)

Where: Quebec, Canada (46.8° N, 71.2° W: paleocoordinates 31.6° S, 70.2° W)

• small collection-level geographic resolution

When: Levis Formation, Dolgellian (492.5 - 485.4 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, conglomeratic limestone

• the conglomerate boulders found in the levis formation are limestone according to the denman institue for research on trilobites, url: www.island.net/~rolf/index.html

Collection methods: Only trilobites were collected...no other genera were listed or identified.

Primary reference: F. Rasetti. 1963. Additions to the Upper Cambrian fauna from the conglomerate boulders at Levis, Quebec. Journal of Paleontology 37(5):1009-1017 [M. Patzkowsky/P. Borkow/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 8933: authorized by Mark Patzkowsky, entered by Phil Borkow on 07.09.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Trilobita
 Trinucleida - Alsataspididae
 Ptychopariida - Raymondinidae
Raymondina respecta Clark 1924 trilobite
 Ptychopariida - Plethopeltidae
"Plethometopus laevis" = Plethopeltis, "Plethometopus obtusus" = Plethopeltis, Plethometopus dubius, Stenopilus elongata
"Plethometopus laevis" = Plethopeltis trilobite
"Plethometopus obtusus" = Plethopeltis trilobite
Plethometopus dubius Rasetti 1944 trilobite
 Ptychopariida - Catillicephalidae
"Theodenisia spinosa" = Peracheilus spinosus Rasetti 1945 trilobite
Theodenisia brevicollis n. sp. trilobite
Theodenisia clavata n. sp. trilobite
Theodenisia falcata n. sp. trilobite
Onchonotus convexus Rasetti 1944 trilobite
 Asaphida - Remopleurididae
Richardsonella convexa Rasetti 1944 trilobite
 Asaphida - Eurekiidae
 Asaphida - Ptychaspididae
 Corynexochida - Illaenuridae
Ambonolium cf. affine Rasetti 1944 trilobite