Los Molles (Jurassic of Argentina)

Also known as Isaberrysaura type

Where: Neuquén, Argentina (39.2° S, 70.3° W: paleocoordinates 36.9° S, 31.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Sonninia altecostata ammonoid zone, Los Molles Formation (Cuyo Group), Early/Lower Bajocian (171.6 - 168.4 Ma)

• 40 m below contact with overlying Lajas Fm.

• bed-level stratigraphic resolution

Environment/lithology: deltaic; concretionary mudstone

• marine-deltaic deposits, large-scale progradational delta system, dominated by wave action and the influence of storms
• "laminated pelites rich in ammonitiferous concretions and vertebrate remains"

Size class: macrofossils

Collected by I. Valdivia & E. O. Berry in 2009

Collection methods: surface (in situ),

• originally found earlier, then further collected in 2009

Primary reference: L. Salgado, J. I. Canudo, A. C. Garrido, M. Moreno-Azanza, L. C. A. Martínez, R. A. Coria, and J. M. Gasca. 2017. A new primitive neornithischian dinosaur from the Jurassic of Patagonia with gut contents. Scientific Reports 7:42778:1-10 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 184943: authorized by Matthew Carrano, entered by Matthew Carrano on 31.03.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Zamiineae indet.
seeds in gut cavity of dinosaurs
Reptilia
 Neornithischia -
Isaberrysaura mollensis n. gen. n. sp.
Isaberrysaura mollensis n. gen. n. sp. Salgado et al. 2017 ornithischian
MOZ-Pv 6459
unclassified
  -
Spermatophyta indet.
seeds in gut cavity of dinosaurs