Beachia-Dowsonelloides communities, Cap Bon Ami Fm., Forillon Mbr. (Devonian of Canada)

Where: Quebec, Canada (48.9° N, 64.3° W: paleocoordinates 33.3° S, 19.3° W)

• coordinate based on political unit

When: Forillon Member (Cap Bon Ami Formation), Pragian (410.8 - 407.6 Ma)

• "Siegenian (upper Held.)"

Environment/lithology: offshore; calcareous shale and limestone

• "irreg. bedded massive, dense calcilutites and calcisiltites, interb. w/fissile arg. ls. shallower than Dawsonelloides. BA5?"

Size class: macrofossils

Primary reference: P. J. Lesperance and P. M. Sheehan. 1975. Middle Gaspe Limestone communities on the Forillon Peninsula, Quebec, Canada (Siegenian, Lower Devonian). Palaeogeography, Palaeoclimatology, Palaeoecology 17:309-326 [P. Wagner/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 598: authorized by Arnold Miller, entered by Mike Sommers on 06.04.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Lesperance and Sheehan, 1975. Middle Gaspe communities on the Forillon Penn., Quebec, Canada (Siegenian, L. Dev) PPP 17:309-326." [list is in "order of dominance"]
Scyphozoa
 Conulariida - Conulariidae
Conularia sp. jellyfish
Lophophorata
 Tentaculitida - Tentaculitidae
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
bryozoa
Rhynchonellata
 Spiriferida - Acrospiriferidae
Acrospirifer murchisoni Castelneau 1843
 Spiriferida - Ambocoeliidae
 Athyridida - Anoplothecidae
? Coelospira sp. Hall 1863
originally entered as "Coelospira ? sp."
 Athyridida - Meristellidae
 Orthida -
Orthida indet. Schuchert and Cooper 1932
dalmanellid
 Orthida - Draboviidae
? Salopina sp. Boucot 1960
originally entered as "Salopina ? sp."
 Orthida - Rhipidomellidae
 Terebratulida - Centronellidae
 Spiriferinida - Cyrtinidae
 Rhynchonellida - Leptocoeliidae
Strophomenata
 Strophomenida -
Strophomenida indet. Opik 1934
flat strophomenid
 Strophomenida - Leptostrophiidae
Leptostrophia sp. Hall and Clarke 1892
Lingulata
 Lingulida - Discinidae
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
pelecypod
Gastropoda
 Streptoneura -
? Archaeogastropoda indet. Thiele 1925 snail
gastropod - originally entered as "? Archaeogastropoda indet."
Deuteropoda
  -
Ostracoda indet. Latreille 1802 ostracod
ostracode
Trilobita
 Phacopida - Dalmanitidae
Synphoroides sp. Delo 1940 trilobite
Anchiopsis anchiops Green 1832 trilobite