Deep water fauna from Contaya Fm., Contaya Hills, Peru (Ordovician of Peru)

Where: Peru (7.0° S, 74.0° W: paleocoordinates 48.5° S, 107.4° W)

• outcrop-level geographic resolution

When: Contaya Formation, Late/Upper Llanvirn (463.5 - 460.9 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, argillaceous shale

• medium gray, well-laminated argillaceous shales

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: C. P. Hughes, R. B. Rickards, and A. Williams. 1980. The Ordovician fauna from the Contaya Formation of eastern Peru. Geological Magazine 117(1):1-21 [A. Miller/P. Novack-Gottshall/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 8800: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 29.08.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Asaphida - Asaphidae
"Ogygiocarella sp." = Ogygiocaris
"Ogygiocarella sp." = Ogygiocaris Angelin 1854 trilobite
 Trinucleida - Trinucleidae
Anebolithus sp. Huges and Wright 1970 trilobite
 Olenida - Olenidae
Porterfieldia sp. Cooper 1953 trilobite
Ostracoda
 Palaeocopida - Cryptophyllidae
? Cryptophyllus sp. Levinson 1951 ostracod
Rhynchonellata
 Orthida - Heterorthidae
Lingulata
 Lingulida - Obolidae
Obolus sp. Eichwald 1829
Lingulella sp. Salter 1866
 Lingulida - Pseudolingulidae
Pseudolingula sp. Mickwitz 1909
Gastropoda
 Bellerophontida - Sinuitidae
Sinuites sp. Koken 1896 snail
Pterobranchia
 Graptoloidea - Glossograptidae
 Graptoloidea - Retiolitidae
Glyptograptus sp. Lapworth 1873 graptolite
 Graptoloidea - Diplograptidae
 Graptoloidea - Climacograptidae
 Graptoloidea - Dichograptidae
Didymograptus sp. McCoy 1851 graptolite
Hexactinellida
 Lyssacinosa - Stiodermatidae
? Hyalostelia sp. glass sponge