Baculites fossil map
Where fossils of Baculites have been found, shown on the Earth as it looked about 75 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 75 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 →
| Group | Ammonites & nautiloids |
|---|---|
| Lived | 137.05–56 million years ago (Valanginian to Thanetian) |
| Periods | Cretaceous, Paleogene |
| Family | Baculitidae |
| Named by | Lamarck 1799 |
| Fossil records | 1,127 occurrences at 610 locations (PBDB) |
| Found in | United States, Canada, France, Japan, Sweden, Germany, South Africa, Antarctica, Chile, New Zealand … |
| Rock formations | txn:59287, Pierre Shale, Prairie Bluff, Mancos Shale, Chico, Niobrara |
About Baculites
Baculites is an extinct genus of heteromorph ammonite cephalopods with almost straight shells. The genus, which lived worldwide throughout most of the Late Cretaceous, and which briefly survived the K-Pg mass extinction event, was named by Lamarck in 1799.
Text in “About” is quoted from the Wikipedia article Baculites (revision 1374499460), licensed under CC BY-SA 4.0; introduction excerpted verbatim, formatting removed. Ages, family, authority and fossil records: Paleobiology Database, accessed 22 October 2026. Ages are those of the rock layers the fossils were found in.
