Where: Limón, Costa Rica (10.0° N, 83.5° W: paleocoordinates 9.8° N, 82.3° W)
• coordinate based on political unit
When: Upper Member (Guayacán Formation), Late/Upper Miocene to Late/Upper Miocene (11.6 - 3.6 Ma)
• Alto Guayacán beds
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Primary reference: C. A. Laurito. 1996. El género Isistius (Squalidae) en el Alto Guayacán. Formación Uscari (Mioceno Superior-Plioceno Inferior), provincia de Limón, Costa Rica. Revista Geológica de América Central 19-20:87-92 [M. Uhen/M. Uhen/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 220760: authorized by Mark Uhen, entered by Mark Uhen on 14.06.2021
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
Isistius triangulus Probst 1879 shark | |
Chimaera sp. Linnaeus 1758 chimaera |