🦕 Prehistoric World Map

Corystosiren fossil map

Where fossils of Corystosiren have been found, shown on the Earth as it looked about 5 million years ago and on today’s map.

Dots are fossil collections recorded in the Paleobiology Database. The “then” view moves today’s fossil sites back to their positions 5 million years ago (the time slice nearest the median age of the fossils) using the Merdith et al. (2021) plate model; positions are approximate. Open on the timeline map →

Corystosiren
Image: Carl Buell, CC0, via Wikimedia Commons
GroupEarly mammals
Lived9.4–3.6 million years ago (Tortonian to Zanclean)
PeriodsNeogene
FamilyDugongidae
Named byDomning 1990
Fossil records8 occurrences at 3 locations (PBDB)
Found inUnited States, Mexico
Rock formationsPeace River, Carrillo Puerto, txn:43286

About Corystosiren

Corystosiren is an extinct genus of dugongid sirenian mammal which existed in the waters of the Caribbean Basin during the Early Pliocene. Fossils have been found in the Yucatán Peninsula, Mexico, and Florida.

Text in “About” is quoted from the Wikipedia article Corystosiren (revision 1337997116), licensed under CC BY-SA 4.0; introduction excerpted verbatim, formatting removed. Ages, family, authority and fossil records: Paleobiology Database, accessed 23 October 2026. Ages are those of the rock layers the fossils were found in. Wikidata: Q19739017.

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