2026-09-26T19:26:51+01:00https://marinefinds.org.uk/datalabs/terminology/object/format/jsonhttps://marinefinds.org.uk/datalabs/terminology/object/format/xmlhttps://marinefinds.org.uk/datalabs/terminology/object2761137591COMPOSITE BASEYBases of this order are often referred to as spira and have a double astragal in the middle.546P