Laventan

The Laventan () age is a period of geologic time (13.8 to 11.8 Ma) within the Middle Miocene epoch of the Neogene, used more specifically within the SALMA classification in South America. It follows the Colloncuran and precedes the Mayoan age.

Etymology

The age is named after the Miocene Lagerstätte La Venta, where a rich biodiversity from the Middle Miocene has been recovered from the Honda Group.

Formations

Fossil content

Correlations

The Laventan (13.8 to 11.8 Ma) correlates with:

• NALMA
• latest Barstovian (15.97-13.65 Ma)
• early Clarendonian (13.65-10.3 Ma)
• Californian ages
• Luisian (15.5-13.5 Ma)
• ELMA - Astaracian (15.97-11.608 Ma)
• CPS
• Badenian (13.65-12.7 Ma)
• Sarmatian (12.7-11.608 Ma)
• New Zealand stratigraphy - Southland epoch (15.9-10.92 Ma)
• Lillburnian (15.1-12.98 Ma)
• early Waiauan (12.98-10.92 Ma)
• Australian ages
• Bairnsdalian (15.0-10.5 Ma)
• Japanese ages
• Tozawan (15.97-13.5 Ma)
• NMAC - Tunggurian (13.65-11.1 Ma)

References

Bibliography

Laventan

Honda Group, Colombia

Honda Group, Bolivia

Aisol Formation

Bahía Inglesa Formation

Capadare Formation

Choquecota and Mauri Formations

Cura-Mallín Group

Gran Bajo del Gualicho Formation

Ipururo and Pebas Formations

Paraná Formation

Pisco Formation

Santa Inés Formation

Sincelejo Formation

Socorro and Urumaco Formations

Further reading