Rohr 00R015. Laignet Point (Ordovician of Canada)

Also known as = 2000F026 = G of Williams et al. 1987 (pg. 458 f. 2) = 1984F121

Where: Newfoundland and Labrador, Canada (50.7° N, 57.4° W: paleocoordinates 30.6° S, 46.7° W)

• outcrop-level geographic resolution

When: Benthamaspis gibberula trilobite zone, Laignet Point Member (Catoche Formation), Cassinian (482.3 - 470.0 Ma)

• Uppermost mound bed, 97.3 m above base of formation

• formation-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Reposited in the GSC

Primary reference: D. M. Rohr, W. D. Boyce, and E. A. Measures. 2008. The rostroconch mollusc Euchasma Billings, 1865 from the Lower Ordovician Catoche Formation, western Newfoundland. Newfoundland Department of Mines and Energy, Report 08(1):79-91 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 133140: authorized by Pete Wagner, entered by Pete Wagner on 03.09.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Pterobranchia
 Graptoloidea - Phyllograptidae
Trilobita
 Asaphida - Asaphidae
Isoteloides canalis Whitfield 1886 trilobite
 Proetida - Bathyuridae
Benthamaspis gibberula, Bathyurellus abruptus, Bathyurellus platypus, "Uromystrum marginatus" = Uromystrum marginiatus, "Grinnellaspis flabelliformis" = Punka flabelliformis, Petigurus nero, Jeffersonia timon, "Jeffersonia angustimarginata" = Jeffersonia jenni
Benthamaspis gibberula Billings 1865 trilobite
Bathyurellus abruptus Billings 1865 trilobite
Bathyurellus platypus Fortey 1979 trilobite
"Uromystrum marginatus" = Uromystrum marginiatus Billings 1865 trilobite
"Grinnellaspis flabelliformis" = Punka flabelliformis Fortey 1979 trilobite
Petigurus nero Billings 1865 trilobite
Jeffersonia timon Billings 1865 trilobite
"Jeffersonia angustimarginata" = Jeffersonia jenni Cullison 1944 trilobite
 Proetida - Dimeropygidae
Ischyrotoma anataphra Fortey 1979 trilobite
 Phacopida - Pliomeridae
Strotactinus insularis Billings 1865 trilobite
Rostroconchia
 Conocardiida - Eopteriidae
Euchasma blumenbachi Billings 1859
Gastropoda
 Murchisoniina - Hormotomidae
Plethospira aff. cassina Whitfield 1886 snail
 Euomphalina - Macluritidae
Maclurites sp. Le Sueur 1818 snail