Llanvirn section, San Juan Fm., Puesto los Potrerillos, Argentina (Ordovician of Argentina)

Where: Argentina (32.0° S, 69.0° W: paleocoordinates 33.6° S, 133.3° W)

• outcrop-level geographic resolution

When: San Juan Formation, Llanvirn (468.0 - 458.4 Ma)

• Llanvirn section of formation

• member-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

• limestone

Primary reference: O. Lehnert and M. Keller. 1993. Posicion estratigrafica de los arrecifes Arenigianos en la Precordillera Argentina. Document du labortoire de Geologie de l''Universite de Lyon 125:263-275 [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 8706: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 27.08.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• Conodont biostratigraphy
Show authors, comments, and common names
unclassified
  -
Histidella sp.
Conodonta
 Protopanderodontida - Acanthodontidae
Scalpellodus sp.
Scalpellodus sp. Dzik 1976 conodont
 Protopanderodontida - Drepanoistodontidae
Paroistodus sp., Drepanoistodus sp.
Paroistodus sp. Lindström 1971 conodont
Drepanoistodus sp. Lindstrom 1971 conodont
 Prioniodontida - Balognathidae
Lenodus sp.
Lenodus sp. Sergeeva 1963 conodont
 Belodellida - Ansellidae
Ansella sp.
Ansella sp. conodont
 Panderodontida - Panderodontidae
Parapanderodus sp.
Parapanderodus sp. Stouge 1984 conodont