information about Ptychodus field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Western Interior Seaway 0 papers | Cenomanian 5,703 papers | ||
| Current | |||
Ptychodus papers | |||
| Child | |||
Ptychodontidae 0 papers | |||
Trends
Notes
History
| Parent | |||
|---|---|---|---|
Western Interior Seaway 0 papers | Cenomanian 5,703 papers | ||
| Current | |||
Ptychodus papers | |||
| Child | |||
Ptychodontidae 0 papers | |||