Awaynat Wanin type sect., Aouinet Ouenine II Fmn., samples SM223-SM228 & RC369 (Devonian of Libya)

Where: Libya (28.1° N, 13.0° E: paleocoordinates 48.7° S, 34.9° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Aouinet Ouenine II Formation, Early/Lower Frasnian (383.7 - 382.4 Ma)

• Formation said to be "Givetian s.l. and basal Frasnian". Samples in uppermost part of formation.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; fine-grained sandstone

• coquinite; random shell orientation; disarticulation; interpreted as BA2, moderate to strong wave and current activity
• Formation as a whole: "shales, siltstones, and sandstones, with several layers enriched by ferruginous matrix. The sandstone levels...are richly fossiliferous". These samples from "fine grained sandstone...coquinite"

Collection methods: Focus of monograph is brachiopods and bivalves, but other elements are sometimes mentioned in passing.

Primary reference: M. Mergl and D. Massa. 1992. Devonian and Lower Carboniferous brachiopods and bivalves from western Libya. Biostratigraphie du Paleozoique 12:1-115 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 35619: authorized by Michael Foote, entered by Michael Foote on 31.12.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Acastidae
Greenops sp. Delo 1935 trilobite
Bivalvia
  -
"Pelecypoda indet." = Bivalvia
"Pelecypoda indet." = Bivalvia Linnaeus 1758 clam
 Pectinida - Pterinopectinidae
Lyriopecten sp. Hall 1877 scallop
 Ostreida - Pterineidae
Leptodesma sp. Hall 1883 oyster
"Leiopteria cf. dekayi" = Leptodesma (Leiopteria) oyster
 Cardiidia - Sanguinolitidae
"Sphenotus sp." = Sanguinolites
"Sphenotus sp." = Sanguinolites M'Coy 1844 clam
 Protobranchia - Malletiidae
Nuculites sp. Conrad 1841 clam
Gastropoda
 Archaeogastropoda -
Archaeogastropoda indet. Thiele 1925 snail
listed as "mourloniid gastropods"
 Murchisoniina - Loxonematidae
Loxonematidae indet. Koken 1889 snail
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
 Lophophorata -
Tentaculitida indet. Ljaschenko 1955
Strophomenata
 Productida - Araksalosiidae
Dichacaenia sp. Cooper and Dutro 1982
 Strophomenida - Rafinesquinidae
Leptaena borghiana Mergl and Massa 1992
Rhynchonellata
 Spiriferida - Cyrtospiriferidae
 Spiriferida - Mucrospiriferidae
 Rhynchonellida - Trigonirhynchiidae
 Rhynchonellida - Leiorhynchidae
 Orthida - Rhipidomellidae