| Super-types: | gml:DefinitionType < AbstractTimeReferenceSystemType (by extension) < TimeOrdinalReferenceSystemType (by extension) | 
|---|---|
| Sub-types: | None | 
| Name | TimeOrdinalReferenceSystemType | 
|---|---|
| Abstract | no | 
| Documentation | In an ordinal reference system the order of events in time can be well established, but the magnitude of the intervals between them can not be accurately determined (e.g. a stratigraphic sequence). | 
