Hirnantian association, Langoyene Fm. (Ordovician of Norway)

Where: Oslo-Asker District, Norway (60.0° N, 11.0° E: paleocoordinates 27.5° S, 8.7° W)

• local area-level geographic resolution

When: Langoyen Formation, Hirnantian (445.2 - 443.4 Ma)

• "base of Langoyene SS, top of Hubergoya Fm. Late Ashgillian, lowermost Hirnatian"

• formation-level stratigraphic resolution

Environment/lithology: offshore; lithified limestone and shale

• "[Interbedded] sh and lst. w/some sheet sst; mdst. & impure lst (possibly diagentc). middle shelf-shoreward of Onniella assoc. (Or so it is claimed)."

Size class: macrofossils

Primary reference: P. J. Brenchley and L. R. M. Cocks. 1982. Ecological associations in a regressive sequence: the latest Ordovician of the Oslo-Asker district, Norway. Palaeontology 25(4):783-815 [S. Finnegan/S. Finnegan/B. Kröger]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 364: authorized by Arnold Miller, entered by Mike Sommers on 20.11.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Brenchley and Cocks, 1982"
unclassified
  -
Barrandeo carpus
[there is nothing listed for class/order next to this, and this guy's writing is so bad I'm not sure it's a binom. species name]
Trilobita
 Phacopida - Dalmanitidae
Mucronaspis sp. Destombes 1963 trilobite
 Phacopida - Pterygometopidae
Calyptaulax sp. Cooper 1930 trilobite
Toxochasmops sp. McNamara 1979 trilobite
 Phacopida - Homalonotidae
Platycoryphe sp. Foerste 1919 trilobite
 Corynexochida - Illaenidae
Illaenus sp. Dalman 1827 trilobite
Tentaculita
 Cornulitida - Cornulitidae
Cornulites sp. Schlotheim 1820
Gastropoda
 Streptoneura -
? Archaeogastropoda indet. Thiele 1925 snail
indet. gastropods - originally entered as "? Archaeogastropoda indet."
 Murchisoniina - Trochonematidae
Globonema sp. Wenz 1938 snail
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
indet. bivalves
Lophophorata
 Tentaculitida - Tentaculitidae
Tentaculites sp. von Schlotheim 1820
Rhynchonellata
 Athyridida - Meristellidae
Hindella sp. Davidson 1882
 Orthida - Glyptorthidae
Glyptorthis sp. Foerste 1914
 Orthida - Dalmanellidae
Dalmanella sp. Hall and Clarke 1892
 Orthida - Draboviidae
Hirnantia sp. Lamont 1935
Strophomenata
 Orthotetida - Triplesiidae
Oxoplecia sp. Wilson 1913
Cliftonia sp. Foerste 1909
 Strophomenida - Leptostrophiidae
Eostropheodonta sp. Bancroft 1949
 Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
Craniata
 Craniida - Craniidae
Philhedra sp. Koken 1889
Acanthocrania sp. Williams 1943
Lingulata
 Lingulida - Lingulidae
Lingula sp. Bruguiére 1797
 Lingulida - Discinidae
Orbiculoidea sp. d'Orbigny 1847
Stenolaemata
 Cystoporata -
? Cystoporata indet. Astrova 1964
hemisphaeroida/encrusting bryozoan - originally entered as "? Cystoporata indet."
 Trepostomata -
? Trepostomata indet. Ulrich 1882
thin-stick bryozoa - originally entered as "? Trepostomata indet."
 Trepostomata - Halloporidae
Hallopora sp. Bassler 1911
Polychaeta
 Serpulimorpha -
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
crinoids roots
Anthozoa
 Tabulata -
Tabulata indet. tabulate coral
halysitids