GSC C16903, Barrow Dome, Melville Island (Carboniferous of Canada)

Where: Nunavut, Canada (76.7° N, 109.1° W: paleocoordinates 26.2° N, 8.5° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Otto Fiord Formation, Westphalian A (318.7 - 316.9 Ma)

• Near the top of a 200-foot section of interbedded shale, limestone, and anhydrite. Bloydian (Westphalian A=Kayalian).

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, argillaceous limestone

• Thin-bedded, dark gray shaly limestone

Size class: macrofossils

Collected by W.W. Nassichuk in 1967; reposited in the GSC

Primary reference: W. W. Nassichuk. 1975. Carboniferous ammonoids and stratigraphy in the Canadian Arctic archipelago. Geological Survey of Canada Bulletin 237:1-240 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 170658: authorized by Matthew Clapham, entered by Matthew Clapham on 25.06.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Goniatitida - Schistoceratidae
Branneroceras sp., Branneroceras branneri, Branneroceras hillsi
Branneroceras sp. Plummer and Scott 1937 ammonite
Branneroceras branneri Smith 1896 ammonite
Branneroceras hillsi Nassichuk 1975 ammonite
 Goniatitida - Glaphyritidae
Syngastrioceras oblatum
Syngastrioceras oblatum Miller and Moore 1938 ammonite
 Goniatitida - Gastrioceratidae
Gastrioceras sp., Gastrioceras melvillensis, Gastrioceras liratum
Gastrioceras sp. Hyatt 1884 ammonite
Gastrioceras melvillensis Nassichuk 1975 ammonite
Gastrioceras liratum Nassichuk 1975 ammonite
 Goniatitida - Bisatoceratidae
Bisatoceras renni
Bisatoceras renni Nassichuk 1975 ammonite