Guanacuna Fm. Palqui, Bolivia ( of Bolivia)

Where: Bolivia (22.0° S, 65.0° W: paleocoordinates 46.3° S, 128.3° W)

• outcrop-level geographic resolution

When: Guanacuna Formation, Tremadoc (486.5 - 477.7 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, green sandstone and shale

• greenish-gray sandstone intercalated with olive-green sandstone and shale

Collection methods: JA: marked by Novack-Gottshall without explanation as omitting some genera, some macrofossils, some microfossils, and species names, but apparently complete

Primary reference: A. Pribyl and J. Vanek. 1980. Ordovician trilobites of Bolivia. Rozpravy Ceskoslovenske Akademie Ved. Rada Matematickych a Prirodnich Ved. Academia Praha, Prague, Czechoslovakia 90(2):1-90 [A. Miller/P. Novack-Gottshall/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 8837: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 01.09.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• Primarily trilobite taxonomy
Show authors, comments, and common names
unclassified
  -
Trilobitarum sp.
Trilobita
  -
Sphaerocare sp.
Sphaerocare sp. Harrington and Leanza 1957 trilobite
 Phacopida - Pharostomatidae
Pharostomina sp., Altiplanelaspis sp.
Pharostomina sp. Sdzuy 1955 trilobite
Altiplanelaspis sp. Pribyl and Vanek 1980 trilobite
 Asaphida - Ceratopygidae
Onychopyge sp.
Onychopyge sp. Harrington 1938 trilobite
 Asaphida - Asaphidae
Asaphellus sp.
Asaphellus sp. Callaway 1877 trilobite
 Asaphida - Remopleurididae
Kainella sp.
Kainella sp. Walcott 1925 trilobite
 Ptychopariida - Shumardiidae
Koldinioidia sp., Shumardia sp.
Koldinioidia sp. Kobayashi 1931 trilobite
Shumardia sp. Billings 1862 trilobite
 Trinucleida - Alsataspididae
Palquiella sp., Araiopleura sp.
Palquiella sp. Suárez-Soruco 1975 trilobite
Araiopleura sp. Harrington and Leanza 1957 trilobite
  -
Deltacare sp.
Deltacare sp. Harrington and Leanza 1957 trilobite
 Olenida - Olenidae
Saltaspis sp., Parabolina sp., Angelina sp., Parabolinella sp., Leptoplastides sp., Jujuyaspis sp.
Saltaspis sp. Harrington and Leanza 1952 trilobite
Parabolina sp. Salter 1849 trilobite
Angelina sp. Salter 1859 trilobite
Parabolinella sp. Brögger 1882 trilobite
Leptoplastides sp. Raw 1908 trilobite
Jujuyaspis sp. Kobayashi 1936 trilobite
 Corynexochida - Leiostegiidae
Leiostegium sp.
Leiostegium sp. Raymond 1913 trilobite
Artiopoda
 Agnostida - Agnostidae
Micragnostus sp.
Micragnostus sp. Howell 1935
Rhynchonellata
 Orthida - Plectorthidae
Nanorthis sp.
Nanorthis sp. Ulrich and Cooper 1936
Lingulata
 Lingulida - Elkaniidae
Broeggeria sp.
Broeggeria sp. Walcott 1902
Gastropoda
 Bellerophontida - Tropidodiscidae
Tropidodiscus sp.
Tropidodiscus sp. Meek and Worthen 1866 snail
Pterobranchia
 Dendroidea - Acanthograptidae
Dictyonema sp.
Dictyonema sp. Hall 1851 graptolite