Mount Slipper (Cryogenian of Canada)

Where: Yukon, Canada (65.3° N, 141.0° W: paleocoordinates 0.0° N, 0.0° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Fifteenmile Group, Cryogenian (850.0 - 635.0 Ma)

Environment/lithology: lithified, concretionary, gray, calcareous, cherty/siliceous carbonate and lithified, argillaceous shale

• ~173 m of dark gray limestone rhythmite with interbedded shale and tabular clast debris flows. The mineralized microfossils are in early diagenetic black chert nodules from ~3 m

•of section near the top of this unit. These facies are interpreted as subtidal in a shallowing-upward sequence. The entire section is intruded by numerous NNW-trending mafic dikes

Size class: microfossils

Preservation: concretion, permineralized, original phosphate, original carbon

Collected by Phoebe Cohen, Francis Macdonald in 2007

Collection methods: bulk, chemical, peel or thin section,

Primary reference: P. A. Cohen and A. H. Knoll. 2012. Scale Microfossils from the mid Neoproterozoic Fifteenmile Group, Yukon. Journal of Paleontology 86(5):775-800 [P. Cohen/P. Cohen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 138310: authorized by Phoebe Cohen, entered by Phoebe Cohen on 11.01.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
 Life -
Thorakidictyon circireticulum Cohen and Knoll 2012
Thorakidictyon myriocanthum Cohen and Knoll 2012
Petasisquama laciniata Allison and Hilgert 1986
Petasisquama alta Allison and Hilgert 1986
Petasisquama petasus Cohen and Knoll 2012
Petasisquama versicorona Allison and Hilgert 1986
Quadrireticulum palmaspinosum Cohen and Knoll 2012
Quadrireticulum allisoniae Cohen and Knoll 2012
Circidentatus pistricis Cohen and Knoll 2012
Circidentatus variodentatus Cohen and Knoll 2012
Characodictyon skolopium Allison and Hilgert 1986
Ospercapatera awramikii Cohen and Knoll 2012
Hexacatillus allmonii Cohen and Knoll 2012
Paleoscutula convocationis Cohen and Knoll 2012
Paleoscutula serrata Cohen and Knoll 2012
Paleoscutula inornata Cohen and Knoll 2012
Archeoxybaphon polykeramoides Allison and Hilgert 1986
Archeoxybaphon serratacapacis Cohen and Knoll 2012
Archeoxybaphon serratapusillum Cohen and Knoll 2012
Paleomegasquama coccolithoides Allison and Hilgert 1986
Circitorquis soccus Cohen and Knoll 2012
Paleohexadictyon myriotrematum Allison and Hilgert 1986
Paleohexadictyon alexandrae Cohen and Knoll 2012
Paleohexadictyon litosum Allison and Hilgert 1986
Invaginatibalteus depressus
  -
Invaginatibalteus depressus Allison and Hilgert 1986
Invaginatibalteus dimorphus
  -
Invaginatibalteus dimorphus Allison and Hilgert 1986
Patinisquama cirratomarginata
  -
Patinisquama cirratomarginata Allison and Hilgert 1986
Bicorniculum brochum
  -
Bicorniculum brochum Allison and Hilgert 1986
Confinisquama fimbriata
  -
Confinisquama fimbriata Allison and Hilgert 1986
Paleocrassilimbus spinosus
  -
Paleocrassilimbus spinosus Allison and Hilgert 1986
Hyaloxybaphon monokeramoides
  -
Hyaloxybaphon monokeramoides Allison and Hilgert 1986
Altarmilla multistriata
  -
Altarmilla multistriata Allison and Hilgert 1986
Radiocerniculum inornatum
  -
Radiocerniculum inornatum Allison and Hilgert 1986
Aqualisquama centritubula
  -
Aqualisquama centritubula Allison and Hilgert 1986
Spinicerniculum tribulosum
  -
Spinicerniculum tribulosum Allison and Hilgert 1986
Paterasquama crassa
  -
Paterasquama crassa Allison and Hilgert 1986