Top mbr., Empozada Fm., San Isidro, Argentina (Ordovician to of Argentina)

Where: Argentina (33.0° S, 69.0° W: paleocoordinates 32.1° S, 135.1° W)

• local area-level geographic resolution

When: Top Member (Empozada Formation), Longvillian to Longvillian (457.2 - 449.5 Ma)

• Amorphognathus superbus biozone

• member-level stratigraphic resolution

Environment/lithology: slope; lithified, conglomeratic limestone

• allochthonous brecciated limestone

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: S. Heredia, G. Gallardo, and A. Maldonado. 1990. Conodontes Caradocianos en las calizas aloctonas del Meimbre Superior de la formacion Empozada (Ordovicico medio y superior), San Isidro (Mendoza, Argentina.). Ameghiniana 27(3-4):197-206 [A. Miller/P. Novack-Gottshall/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 9037: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 19.09.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• Conodont biostrat. and taxonomy
Show authors, comments, and common names
Conodonta
 Prioniodontida -
Aphelognathus sp., Pseudooneotodus sp.
Pseudooneotodus sp. Drygant 1974 conodont
 Prioniodontida - Balognathidae
Rhodesognathus sp., Icriodella sp., Amorphognathus superbus
Rhodesognathus sp. Bergstrom and Sweet 1966 conodont
Icriodella sp. conodont
Amorphognathus superbus Rhodes 1953 conodont
 Ozarkodinida -
Plectodina sp.
 Protopanderodontida - Drepanoistodontidae
Drepanoistodus sp.
Drepanoistodus sp. Lindstrom 1971 conodont
 Protopanderodontida - Protopanderodontidae
Staufferella sp., Protopanderodus sp.
Staufferella sp. Sweet et al. 1975 conodont
Protopanderodus sp. Lindström 1971 conodont