diff --git a/documentation/STIR-UsersGuide.tex b/documentation/STIR-UsersGuide.tex
index 9d0f029a77..74d30c42da 100644
--- a/documentation/STIR-UsersGuide.tex
+++ b/documentation/STIR-UsersGuide.tex
@@ -2872,6 +2872,9 @@ \subsubsection{Displaying STIR configuration and version information}
 (Equivalent functions in C++/Python are \texttt{get\_STIR\_config\_dir},
 \texttt{get\_STIR\_doc\_dir} and \texttt{get\_STIR\_examples\_dir}).
 
+\textbf{stir\_list\_registries} is a utility that list possible values of various
+registries, which can be useful to know what to use in a <tt>.par<tt> file.
+
 \subsubsection{
 Displaying and performing operations on data}
 
diff --git a/documentation/release_6.0.htm b/documentation/release_6.0.htm
index a1e186d639..ce23dc537c 100644
--- a/documentation/release_6.0.htm
+++ b/documentation/release_6.0.htm
@@ -132,7 +132,11 @@ <h4>General</h4>
         <tt>list_lm_events</tt> now has an additional option <tt>--event-bin</tt> which lists the bin
         assigned for the event (according to the "native" projection data, i.e. without any mashing).<br>
         In addition, the <tt>--event-LOR<tt> option now also works for SPECT (it was disabled by accident).
-        </li>
+      </li>
+      <li>
+        <tt>stir_list_registries</tt> is a new utility that list possible values of various
+        registries, which can be useful to know what to use in a <tt>.par</tt> file.
+      </li>
     </ul>
 
     <h4>Python (and MATLAB)</h4>
diff --git a/src/recon_buildblock/recon_buildblock_registries.cxx b/src/recon_buildblock/recon_buildblock_registries.cxx
index 3bdc5d25b9..48c8309c84 100644
--- a/src/recon_buildblock/recon_buildblock_registries.cxx
+++ b/src/recon_buildblock/recon_buildblock_registries.cxx
@@ -129,6 +129,9 @@ static OSMAPOSLReconstruction<DiscretisedDensity<3,float> >::RegisterIt dummy603
 static KOSMAPOSLReconstruction<DiscretisedDensity<3,float> >::RegisterIt dummyK ;
 static OSSPSReconstruction<DiscretisedDensity<3, float> >::RegisterIt dummy604;
 
+static OSMAPOSLReconstruction<ParametricVoxelsOnCartesianGrid >::RegisterIt dummyOSMAPOSLPVC;
+static OSSPSReconstruction<ParametricVoxelsOnCartesianGrid >::RegisterIt dummyOSSPSPVC;
+
 #ifdef STIR_WITH_NiftyPET_PROJECTOR
 static ForwardProjectorByBinNiftyPET::RegisterIt gpu_fwd;
 static BackProjectorByBinNiftyPET::RegisterIt gpu_bck;
diff --git a/src/utilities/CMakeLists.txt b/src/utilities/CMakeLists.txt
index 5e5d3a8c0b..d279c024f7 100644
--- a/src/utilities/CMakeLists.txt
+++ b/src/utilities/CMakeLists.txt
@@ -58,6 +58,7 @@ set(${dir_EXE_SOURCES}
         conv_interfile_to_gipl.cxx
         shift_image.cxx
         stir_config.cxx
+        stir_list_registries.cxx
         shift_image_origin.cxx
         warp_and_accumulate_gated_images.cxx
         warp_image.cxx
diff --git a/src/utilities/stir_list_registries.cxx b/src/utilities/stir_list_registries.cxx
new file mode 100644
index 0000000000..dc5ecfd901
--- /dev/null
+++ b/src/utilities/stir_list_registries.cxx
@@ -0,0 +1,71 @@
+/*!
+  
+  Copyright (C) 2024 University College London
+  This file is part of STIR.
+
+  SPDX-License-Identifier: Apache-2.0
+
+  See STIR/LICENSE.txt for details
+  \file
+  \ingroup utilities
+  \brief Prints all registered names for many registries
+  
+  \author Kris Thielemans
+  */
+
+#include "stir/DiscretisedDensity.h"
+#include "stir/modelling/ParametricDiscretisedDensity.h"
+#include "stir/DynamicDiscretisedDensity.h"
+#include "stir/DataProcessor.h"
+#include "stir/recon_buildblock/ForwardProjectorByBin.h" 
+#include "stir/recon_buildblock/BackProjectorByBin.h" 
+#include "stir/recon_buildblock/ProjectorByBinPair.h"
+#include "stir/recon_buildblock/ProjMatrixByBin.h"
+#include "stir/recon_buildblock/GeneralisedObjectiveFunction.h"
+#include "stir/recon_buildblock/GeneralisedPrior.h"
+#include "stir/recon_buildblock/Reconstruction.h"
+#include "stir/recon_buildblock/BinNormalisation.h"
+#include <iostream>
+#include <cstdlib>
+
+USING_NAMESPACE_STIR
+
+int
+main(int argc, char *argv[])
+{
+  std::cout << "------------ ProjectorByBinPair --------------\n";
+  ProjectorByBinPair::list_registered_names(std::cout);
+  std::cout << "------------ ForwardProjectorByBin --------------\n";
+  ForwardProjectorByBin::list_registered_names(std::cout);
+  std::cout << "------------ BackProjectorByBin --------------\n";
+  BackProjectorByBin::list_registered_names(std::cout);
+  std::cout << "------------ ProjMatrixByBin --------------\n";
+  ProjMatrixByBin::list_registered_names(std::cout);
+  std::cout << "------------ BinNormalisation --------------\n";
+  BinNormalisation::list_registered_names(std::cout);
+
+  std::cout << "--------------------------------------------------------------------------\n";  
+  
+  std::cout << "------------ DataProcessor<DiscretisedDensity<3,float>> --------------\n";
+  DataProcessor<DiscretisedDensity<3,float> >::list_registered_names(std::cout);
+  std::cout << "------------ GeneralisedObjectiveFunction<DiscretisedDensity<3,float>> --------------\n";
+  GeneralisedObjectiveFunction<DiscretisedDensity<3,float>>::list_registered_names(std::cout);
+  std::cout << "------------ GeneralisedPrior<DiscretisedDensity<3,float>> --------------\n";
+  GeneralisedPrior<DiscretisedDensity<3,float>>::list_registered_names(std::cout);
+  std::cout << "------------   Reconstruction<DiscretisedDensity<3,float>> --------------\n";
+  Reconstruction<DiscretisedDensity<3,float>>::list_registered_names(std::cout);
+
+  std::cout << "--------------------------------------------------------------------------\n";  
+
+  std::cout << "------------ DataProcessor<ParametricVoxelsOnCartesianGrid> --------------\n";
+  DataProcessor<ParametricVoxelsOnCartesianGrid >::list_registered_names(std::cout);
+  std::cout << "------------ GeneralisedObjectiveFunction<ParametricVoxelsOnCartesianGrid> --------------\n";
+  GeneralisedObjectiveFunction<ParametricVoxelsOnCartesianGrid>::list_registered_names(std::cout);
+  std::cout << "------------ GeneralisedPrior<ParametricVoxelsOnCartesianGrid> --------------\n";
+  GeneralisedPrior<ParametricVoxelsOnCartesianGrid>::list_registered_names(std::cout);
+  std::cout << "------------   Reconstruction<ParametricVoxelsOnCartesianGrid> --------------\n";
+  Reconstruction<ParametricVoxelsOnCartesianGrid>::list_registered_names(std::cout);
+  
+    
+  return EXIT_SUCCESS;
+}