L'Original, Ottawa Valley, Aylmer Fm. (Ordovician of Canada)

Where: Ontario, Canada (45.6° N, 74.7° W: paleocoordinates 26.8° S, 55.0° W)

• coordinate estimated from map

When: Aylmer Formation, Chazyan (470.0 - 457.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; limestone

Size classes: macrofossils, mesofossils

Primary reference: P. E. Raymond. 1906. The Chazy Formation and its fauna. Annals of the Carnegie Museum 3(4):498-596 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 172356: authorized by Björn Kröger, entered by Björn Kröger on 05.08.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Paracrinoidea
 Platycystitida - Malocystitidae
Ostracoda
 Leperditicopida - Leperditiidae
Leperditia canadensis Jones 1858 ostracod
Gastropoda
 Euomphalina - Raphistomatidae
Raphistoma striatum Emmons 1842 snail
Rhynchonellata
 Rhynchonellida - Trigonirhynchiidae
"Camarotoechia plena" = Rostricellula plena
"Camarotoechia plena" = Rostricellula plena Hall 1847
Strophomenata
 Strophomenida - Furcitellidae
"Rafinesquina incrassata" = Dactylogonia incrassata
"Rafinesquina incrassata" = Dactylogonia incrassata Hall 1847