Dalby deepwater assemblage, Vastergotland, Sweden (Ordovician to of Sweden)

Where: Sweden (58.0° N, 14.0° E: paleocoordinates 34.6° S, 8.1° W)

• local area-level geographic resolution

When: Dalby Formation, Costonian to Costonian (460.9 - 455.8 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified lime mudstone and shale

• Dark mudstones and claystones; basinal setting (very deep shelf)

Primary reference: P. M. Sheehan. 1977. Swedish Late Ordovician marine benthic assemblages and their bearing on brachiopod biogeography. In J. Grey and A. J. Boucot (eds.), Historical biogeography, plate tectonics, and the changing environment 61-73 [A. Miller/P. Novack-Gottshall/A. Clement]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 2769: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 18.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Murchisoniina - Eotomariidae
Clathrospira sp. Ulrich and Scofield 1897 snail
Paragastropoda
 Mimospirida - Clisospiridae
Clisospira sp. Billings 1865
Strophomenata
 Strophomenida - Leptellinidae
? Palaeostrophomena sp. Holtedahl 1916
originally entered as "Palaeostrophomena? sp."
 Strophomenida - Aegiromenidae
Sericoidea sp. Lindström 1953
Rhynchonellata
 Orthida - Dalmanellidae
Onniella sp. Bancroft 1928
 Protorthida - Skenidiidae
? Skenidioides sp. Schuchert and Cooper 1931
originally entered as "Skenidioides? sp."
Hyolitha
 Hyolithida - Hyolithidae
Hyolithes sp. d'Eichwald 1840
Ostracoda
  - Sigmoopsidae
 Palaeocopida - Leperditellidae
Conchoprimitia sp. Opik 1935 ostracod
 Leperditellocopida - Aparchitidae
 Hollinocopida - Euprimitiidae
? Primitiella sp. Ulrich 1894 ostracod
originally entered as "Primitiella? sp."
 Hollinocopida - Tvaerenellidae
Uhakiella sp. Öpik 1937 ostracod
Euprimites sp. Hessland 1949 ostracod
 Hollinocopida - Tetradellidae
Tallinnella sp. Opik 1937 ostracod
Sigmobolbina sp. Henningsmoen 1953 ostracod
 Hollinocopida - Eurychilinidae
Actinochilina sp. Jaanusson 1957 ostracod
Laccochilina sp. Hessland 1949 ostracod
 Beyrichicopida - Bolliidae
? Ulrichia sp. Jones 1890 ostracod
originally entered as "Ulrichia? sp."
 Beyrichicopida - Aechminidae
"Parapyxion sp." = Vogdesella
"Parapyxion sp." = Vogdesella ostracod
 Beyrichicopida - Circulinidae
Pyxion sp. ostracod
 Beyrichicopida - Ctenonotellidae
Steusloffia sp. Ulrich and Bassler 1908 ostracod
Trilobita
 Lichida - Lichidae
Platylichas sp. Gürich 1901 trilobite
 Trinucleida - Raphiophoridae
Lonchodomas sp. Angelin 1854 trilobite
Cnemidopyge sp. Whittard 1955 trilobite
 Asaphida - Nileidae
Nileus sp. Dalman 1827 trilobite
 Asaphida - Asaphidae
Ogmasaphus sp. Jaanusson 1953 trilobite
Asaphus sp. Brongniart 1822 trilobite
 Asaphida - Remopleurididae
? Robergia sp. Wiman 1905 trilobite
originally entered as "Robergia? sp."
Remopleurides sp. Portlock 1843 trilobite
 Corynexochida - Styginidae
Raymondaspis sp. Pribyl 1948 trilobite
 Corynexochida - Panderiidae
Panderia sp. Volborth 1863 trilobite
 Corynexochida - Illaenidae
Illaenus sp. Dalman 1827 trilobite
? Stenopareia sp. Holm 1886 trilobite
originally entered as "Stenopareia? sp."
 Proetida - Telephinidae
Telephina sp. Marek 1952 trilobite
 Phacopida - Encrinuridae
Cybellela sp. Reed 1928 trilobite
 Phacopida - Cheiruridae
Nieszkowskia sp. Schmidt 1881 trilobite
Hemisphaerocoryphe sp. Reed 1896 trilobite
Sphaerocoryphe sp. Angelin 1854 trilobite
 Phacopida - Pterygometopidae
Chasmops sp. M'Coy 1849 trilobite
Artiopoda
 Agnostida - Metagnostidae
Trinodus sp. M'Coy 1846
 Sphaeronitida - Sphaeronitidae
? Haplosphaeronis sp. Jaekel 1926
originally entered as "Haplosphaeronis? sp."
Sphaeronites sp. Hisinger 1828
 Rhombifera - Echinosphaeritidae
? Echinosphaerites sp. Wahlenberg 1818
originally entered as "Echinosphaerites? sp."
Pterobranchia
 Graptoloidea - Diplograptidae
? Diplograptus sp. graptolite
originally entered as "Diplograptus? sp."
 Graptoloidea - Climacograptidae
Climacograptus sp. Hall 1865 climacograptid
 Hyolithelminthida - Torellellidae
Torellella sp. Holm 1893
originally entered as "Torrellella sp."