Las Aguaditas Fm., Quebrada de Las Aguaditas and Cordon de los Blanquitos, Argen (Ordovician of Argentina)

Where: Argentina (30.0° S, 69.0° W: paleocoordinates 34.6° S, 133.2° W)

• local area-level geographic resolution

When: Las Aguaditas Formation, Caradoc (458.4 - 449.5 Ma)

• formation-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified, sandy, calcareous limestone and claystone

• limestone, sometimes sandy, brecia, and calcareous, marly 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: B. A. Baldis and N. G. Cabaleri. 1988. La zona de Incaia en la Precordillera Argentina. Anais do VII congresso Latino-americano de Geologia 1:492-499 [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 8776: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 29.08.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• Trilobite, graptolite, ostracod, and conodont taxonomy and biostrat.
Show authors, comments, and common names
unclassified
  -
Lodesia sp., Trispinatia sp.
Pterobranchia
 Graptoloidea - Retiolitidae
Glyptograptus sp.
 Graptoloidea - Dicranograptidae
Dicranograptus sp., Dicellograptus sp., Nemagraptus sp., Nemagraptus gracilis
Dicranograptus sp. Hall 1865 graptolite
Dicellograptus sp. Hopkinson 1871 graptolite
Nemagraptus sp. graptolite
Nemagraptus gracilis Hall 1847 graptolite
Conodonta
 Prioniodontida - Pygodontidae
Pygodus anserinus
Trilobita
 Proetida - Telephinidae
Telephina sp.
Telephina sp. Marek 1952 trilobite
 Proetida - Tropidocoryphidae
Stenoblepharum sp.
Stenoblepharum sp. Owens 1973 trilobite
 Odontopleurida - Odontopleuridae
Ceratocara sp.
Ceratocara sp. Ramsköld 1991 trilobite
 Trinucleida - Trinucleidae
Incaia sp.
Incaia sp. Whittard 1955 trilobite
 Asaphida - Asaphidae
Thysanopyge sp.
Thysanopyge sp. Kayser 1898 trilobite
Ostracoda
 Beyrichicopida - Aechminidae
Baldiscella sp.
Baldiscella sp. de Garcia 1975 ostracod
 Palaeocopida -
? Reginea sp.
? Reginea sp. ostracod
 Podocopida - Beecherellidae
Acanthoscapha sp.
Acanthoscapha sp. Ulrich and Bassler 1923 ostracod