Quebrada La Brecha Section, LCR4 (Ordovician of Argentina)

Where: San Juan, Argentina (30.6° S, 68.9° W: paleocoordinates 34.9° S, 132.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Lenodus pseudoplanus zone, San Juan Formation, Darriwilian (467.3 - 458.4 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lithified, shelly/skeletal, green grainstone

• greenish bioclastic packstone

Size class: microfossils

Primary reference: F. J. Lavié, A. I. Mestre, and M. G. Carrera. 2021. Middle Ordovician linguliformean microbrachiopods from western Argentina: new data and biogeographic implications. Journal of Paleontology 95(4):720-732 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 235641: authorized by Matthew Clapham, entered by Fernando Lavié on 19.07.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Lingulata
 Lingulida - Obolidae
Luthieria diminuta n. gen. n. sp.
Luthieria diminuta n. gen. n. sp. Lavié et al. 2021
Holotype INGEO-IMP 10001, a conjoined specimen. Paratypes: Three dorsal valves INGEO-IMP 10000, 10002, 10004, and one conjoined specimen INGEO-IMP 10003. 35 ventral valves, 46 dorsal valves, and 50 conjoined specimens as additional material