AN20 (Silurian of Canada)

Where: Quebec, Canada (49.6° N, 63.5° W: paleocoordinates 21.6° S, 36.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Becscie Formation, Rhuddanian (443.4 - 440.8 Ma)

Environment/lithology: open shallow subtidal; lithified, gray limestone

• hard, slabby, evenly bedded, tan to gray limestones; locally fossiliferous

Size class: macrofossils

Reposited in the GSC

Collection methods: surface (in situ), mechanical,

Primary reference: B. D. E. Chatterton and R. Ludvigsen. 2004. Early Silurian trilobites of Anticosti Island, Qu├ębec, Canada. Palaeontographica Canadiana 22 [M. Hopkins/M. Hopkins]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 185534: authorized by Melanie Hopkins, entered by Melanie Hopkins on 27.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Corynexochida - Styginidae
Failleana sp. Chatterton and Ludvigson 1976 trilobite
 Corynexochida - Illaenidae
Stenopareia sp. Holm 1886 trilobite
 Aulacopleurida - Aulacopleuridae
Harpidella sp. McCoy 1849 trilobite
 Phacopida - Phacopidae
 Phacopida - Encrinuridae
Nucleurus sp. Ramskold 1986 trilobite
Encrinurus sp. Emmrich 1844 trilobite
 Phacopida - Calymenidae
Calymene sp. Brongniart 1822 trilobite
 Proetida - Proetidae
Proetus sp. Steininger 1831 trilobite
 Lichida - Lichidae
"Lichidae" indet. Hawle and Corda 1847 trilobite