CH1. Angosto de Chucalezna, Quebrada de Humahuaca ( of Argentina)

Where: Jujuy, Argentina (24.8° S, 65.3° W: paleocoordinates 43.7° S, 129.6° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Bienvillia tetragonalis - Shumardia (Conophrys) minutula trilobite zone, Rupasca Formation, Tremadoc (486.5 - 477.7 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; gray, green shale

• Niveles pizarrosos y de areniscas finas verde-grisáceas (~ Fine arenaceous greenish-gray shale)

Size class: macrofossils

Primary reference: G. L. Albanesi and G. F. Aceñolaza. 2005. Conodontes de la Formación Rupasca (Ordovícico Inferior) en el Angosto de Chucalezna, Cordillera Oriental de Jujuy: nuevos elementos bioestratigráficos para una localidad clásica del noroeste argentino. Ameghiniana 42(2):295-310 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 210703: authorized by Pete Wagner, entered by Pete Wagner on 15.06.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Asaphida - Asaphidae
Asaphellus jujuanus Harrington 1937 trilobite
 Ptychopariida - Shumardiidae
"Shumardia (Conophrys) minutula" = Conophrys minutula
"Shumardia (Conophrys) minutula" = Conophrys minutula Harrington 1938 trilobite
 Trinucleida - Alsataspididae
Hapalopleura clavata Harrington and Leanza 1957 trilobite
Hapalopleura longicornis Harrington and Leanza 1957 trilobite
 Olenida - Olenidae
Leptoplastides marianus Hoek 1912 trilobite
Protopeltura mesembria Harrington and Leanza 1957 trilobite
Conodonta
 Prioniodontida - Acodontidae
"Drepanodus arcuatus" = Acodus similaris
"Drepanodus arcuatus" = Acodus similaris Rhodes 1955 conodont
 Protopanderodontida - Drepanoistodontidae
"Paltodus pristinus" = Paltodus deltifer pristinus Viira 1970 conodont
Paltodus deltifer pristinus
 Protopanderodontida - Oneotodontidae
Teridontus nakamurai Nogami 1967 conodont