Where: Nuevo León, Mexico (26.7° N, 100.0° W: paleocoordinates 27.6° N, 68.6° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Pseudaspidoceras flexuosum ammonoid zone, Vallecillo Member (Agua Nueva Formation), Early/Lower Turonian (93.5 - 89.3 Ma)

• The stratigraphic position of the specimen is indicated by the presence of the same slab of Pseudaspidoceras pseudonodosoides, an ammonite species which occurs only in the middle-upper Pseudaspidoceras flexuosum Zone at Vallecillo

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified limestone

Size class: macrofossils

Preservation: soft parts

Collected by Margarito A. González González

• Repository: Museo La Milarca (San Pedro Garza García, Nuevo León State, Mexico)

Primary reference: R. Vullo, E. Frey, C. Ifrim, M. A. González González, E. S. Stinnesbeck and W. Stinnesbeck. 2021. Manta-like planktivorous sharks in Late Cretaceous oceans. Science 371:1253-1256 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 219108: authorized by Matthew Clapham, entered by Matthew Clapham on 18.03.2021

Creative Commons license: CC BY (attribution)