Arroyo del Acebrón (Ordovician of Spain)

Also known as Arroyo del Acebron Shales Fm., Toledo Mountains, Toledo, Spain

Where: Toledo, Spain (39.0° N, 4.0° W: paleocoordinates 73.3° S, 87.6° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Arroyo del Acebron Shales Formation, Oretanian (468.0 - 459.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: offshore; lithified, concretionary, ferruginous, shelly/skeletal, argillaceous, calcareous shale and lithified sandstone

• Argillaceous, dark, fossiliferous shale with occasional nodular chert, limestone and iron interbedded with sandstones

Size class: macrofossils

Primary reference: I. Rabano. 1985. Precisiones sobre los trilobites del arroyo del Acebron, Ventas con Pena Aguilera, Toledo. Col-Pa 40:9-17 [A. Miller/P. Novack-Gottshall/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 20959: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 13.06.2002, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• Trilobite biostratigraphy and taxonomy
Artiopoda
 Agnostida - Metagnostidae
Trilobita
 Asaphida - Asaphidae
"? Ogygites glabrata" = Isabelinia glabrata Salter 1853 trilobite
 Asaphida - Hungaiidae
 Lichida - Lichidae
Uralichas sp. Delgado 1892 trilobite
 Corynexochida - Illaenidae
 Phacopida - Dalmanitidae
Toletanaspis sp. Rabano 1989 trilobite
Retamaspis melendezi Hammann 1972 trilobite
 Phacopida - Acastidae
Kloucekia drevermanni Hammann 1972 trilobite
Kloucekia drevermanni drevermanni
 Phacopida - Pliomeridae
 Phacopida - Calymenidae
"Neseuretus (Neseuretus) avus" = Neseuretus avus, Salterocoryphe lusticanica
"Neseuretus (Neseuretus) avus" = Neseuretus avus Hammann 1977 trilobite
 Phacopida - Bathycheilidae
Bathycheilus castilianus Hammann 1983 trilobite