IUCN threat status:

Not evaluated

Comprehensive Description

Read full entry

Description of Ammonia

Test free, biconvex, low trochospiral coil of 3-4 turns, sutures are slightly curved and thickened. The wall is calcareous, finely perforated, with irregular granules along the sutures and over the umbilical region. The umbilicus region is depressed, the umbilicus has open fissures and a plug in younger organisms but this breaks into pillars in older cells. Widespread and extending into the Miocene

Trusted

Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

biopedia

Source: BioPedia

Belongs to 0 communities

This taxon hasn't been featured in any communities yet.

Learn more about Communities

Disclaimer

EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.

To request an improvement, please leave a comment on the page. Thank you!