diff --git a/spark/src/main/scala-shims/spark-4.0/GeoTypesShim.scala b/spark/src/main/scala-shims/spark-4.0/GeoTypesShim.scala
index 9bb266e9539..3d2586948cf 100644
--- a/spark/src/main/scala-shims/spark-4.0/GeoTypesShim.scala
+++ b/spark/src/main/scala-shims/spark-4.0/GeoTypesShim.scala
@@ -46,6 +46,9 @@ object GeoTypesShim {
    */
   val geoExpressions: Set[Class[_]] = Set.empty[Class[_]]
 
+  /** Geospatial Catalyst type classes; empty on Spark 4.0 where these types do not exist. */
+  val geoTypes: Seq[Class[_]] = Seq.empty[Class[_]]
+
   /** Returns the CRS of a `GeometryType`. Only valid when `isGeometryType(dt)` is true. */
   def geometryCrs(dt: DataType): String =
     throw new IllegalArgumentException(s"Not a geometry type: $dt")
diff --git a/spark/src/main/scala-shims/spark-4.2/GeoTypesShim.scala b/spark/src/main/scala-shims/spark-4.2/GeoTypesShim.scala
index 1abf05163b2..caceb77518d 100644
--- a/spark/src/main/scala-shims/spark-4.2/GeoTypesShim.scala
+++ b/spark/src/main/scala-shims/spark-4.2/GeoTypesShim.scala
@@ -62,6 +62,9 @@ object GeoTypesShim {
     classOf[ST_SetSrid],
     classOf[ST_Srid])
 
+  /** Geospatial Catalyst type classes (`GeometryType`, `GeographyType`). */
+  val geoTypes: Seq[Class[_]] = Seq(classOf[GeometryType], classOf[GeographyType])
+
   /** Returns the CRS of a `GeometryType`. Only valid when `isGeometryType(dt)` is true. */
   def geometryCrs(dt: DataType): String = dt match {
     case g: GeometryType => g.crs