Also known as Sample MH6b

Where: Neuquén, Argentina (37.8° S, 68.4° W: paleocoordinates 40.4° S, 56.8° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Roca Formation, Danian (66.0 - 61.6 Ma)

• The age of the Roca Formation section (Cerro Caracol and Sierra Blanca localities) was assigned to the Danian based on the record of the foraminifera species Globoconusa daubjergensis and Turborotalia pseudobulloides Plummer, 1927 (Mailhe et al., 1967).

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, gray claystone and gypsiferous, tuffaceous mudstone

Size class: microfossils

• Dinoflagellata cyst

Preservation: mold/impression

Reposited in the MACN

Collection methods: core, mechanical, hydrochloric,

• These slides have been deposited at the División Paleobotánica del Museo Argentino de Ciencias Naturales “Bernardino Rivadavia” (MACN) under repository numbers 67.

•Specimens of the Roca Formation were observed under an Olympus BX53 binocular microscope, and photomicrographs were taken with an Olympus DP26 camera.

Primary reference: M. S. González Estebenet and M. V. Guler. 2023. Trithyrodinium verrucosum (Heisecke, 1970) comb. nov., emend: Early Paleogene (Danian) dinoflagellate cyst species from the north of Patagonia, Argentina. Regional stratigraphic and paleoenvironmental relevance. Ameghiniana 60(6):509-521 [E. Vlachos/F. Aspromonte]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 234982: authorized by Evangelos Vlachos, entered by Franco Aspromonte on 27.05.2024, edited by Antonio Pasini

Creative Commons license: CC BY (attribution)