Where: Sonora, Mexico (30.7° N, 112.6° W: paleocoordinates 6.6° N, 47.5° W)

• coordinate estimated from map

When: Antimonio Formation, Carnian (237.0 - 228.0 Ma)

Environment/lithology: marine; shale

Size class: macrofossils

Primary reference: S. G. Lucas and C. M. González-León. 1995. Ichthyosaurs from the Upper Triassic of Sonora and the biochronology of Triassic ichthyosaurs. Geological Society of America Special Paper 301:17-20 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 214415: authorized by Mark Uhen, entered by Mark Uhen on 29.09.2020

Creative Commons license: CC BY (attribution)