📚 Encyclopedia Update — October 6, 2026

Ammonites hub

Refreshed by the automated research update (field-level details were not recorded at the time).

Recent research has focused on the biostratigraphic utility of Coilopoceras springeri in the Turonian stages of the Western Interior Seaway. Studies have refined the timing of its extinction relative to local environmental fluctuations and sea-level shifts.

Encyclopedia

Refreshed by the automated research update (field-level details were not recorded at the time).

Leopoldia leopoldina is a genus of Cretaceous ammonites, and recent research continues to refine the biostratigraphic utility of these fossils in the Atlantic and Tethyan realms. No major taxonomic reclassifications or groundbreaking discoveries have altered their status in the …

Ammonites hub

Refreshed by the automated research update (field-level details were not recorded at the time).

Recent studies in the Westphalian region of Germany continue to reaffirm the specimen as one of the largest known ammonites, with research focusing on shell growth rates and taphonomy. No major taxonomic reclassification has occurred, though morphometric comparisons with other P…

Ammonites hub

Refreshed by the automated research update (field-level details were not recorded at the time).

Recent biostratigraphic studies have refined the role of Homoceras beyrichianum as a key index fossil for the Namurian stage of the Carboniferous period. Research focusing on the Craven Basin has provided more precise temporal resolution, helping correlate goniatite zones with b…

Ammonites hub

Refreshed by the automated research update (field-level details were not recorded at the time).

Recent research continues to emphasize the significance of Cravenoceras leion as a foundational index fossil for defining the base of the Namurian stage in the Carboniferous. New biostratigraphic studies in the South China and North American basins have refined the timing of its…