UGA Stratigraphy Lab

The data is in the strata


Specimen Photo Specimen Photo

Monotrypa sp. in longitudinal (left) and tangential (right) sections. Field of view is 1.5 mm. CMC 61588.

Monotrypa is laminate to hemispheroidal, with polygonal zooecia and clusters of large zooecia. Diaphragms are sparse and walls are undulatory.


Monotrypa subglobosa (Ulrich)
Occurrence: Economy
Reference: Dalvé, 1948
Nickles and Bassler (1900) regard M. subglobosa as a synonym of M. turbinata (James, 1878).