/usr/include/Inventor/VRMLnodes/ is in libcoin80-dev 3.1.4~abc9f50-4ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/Inventor/VRMLnodes/SoVRML.h
/usr/include/Inventor/VRMLnodes/SoVRMLAnchor.h
/usr/include/Inventor/VRMLnodes/SoVRMLAppearance.h
/usr/include/Inventor/VRMLnodes/SoVRMLAudioClip.h
/usr/include/Inventor/VRMLnodes/SoVRMLBackground.h
/usr/include/Inventor/VRMLnodes/SoVRMLBillboard.h
/usr/include/Inventor/VRMLnodes/SoVRMLBox.h
/usr/include/Inventor/VRMLnodes/SoVRMLCollision.h
/usr/include/Inventor/VRMLnodes/SoVRMLColor.h
/usr/include/Inventor/VRMLnodes/SoVRMLColorInterpolator.h
/usr/include/Inventor/VRMLnodes/SoVRMLCone.h
/usr/include/Inventor/VRMLnodes/SoVRMLCoordinate.h
/usr/include/Inventor/VRMLnodes/SoVRMLCoordinateInterpolator.h
/usr/include/Inventor/VRMLnodes/SoVRMLCylinder.h
/usr/include/Inventor/VRMLnodes/SoVRMLCylinderSensor.h
/usr/include/Inventor/VRMLnodes/SoVRMLDirectionalLight.h
/usr/include/Inventor/VRMLnodes/SoVRMLDragSensor.h
/usr/include/Inventor/VRMLnodes/SoVRMLElevationGrid.h
/usr/include/Inventor/VRMLnodes/SoVRMLExtrusion.h
/usr/include/Inventor/VRMLnodes/SoVRMLFog.h
/usr/include/Inventor/VRMLnodes/SoVRMLFontStyle.h
/usr/include/Inventor/VRMLnodes/SoVRMLGeometry.h
/usr/include/Inventor/VRMLnodes/SoVRMLGroup.h
/usr/include/Inventor/VRMLnodes/SoVRMLImageTexture.h
/usr/include/Inventor/VRMLnodes/SoVRMLIndexedFaceSet.h
/usr/include/Inventor/VRMLnodes/SoVRMLIndexedLine.h
/usr/include/Inventor/VRMLnodes/SoVRMLIndexedLineSet.h
/usr/include/Inventor/VRMLnodes/SoVRMLIndexedShape.h
/usr/include/Inventor/VRMLnodes/SoVRMLInline.h
/usr/include/Inventor/VRMLnodes/SoVRMLInterpolator.h
/usr/include/Inventor/VRMLnodes/SoVRMLLOD.h
/usr/include/Inventor/VRMLnodes/SoVRMLLight.h
/usr/include/Inventor/VRMLnodes/SoVRMLMacros.h
/usr/include/Inventor/VRMLnodes/SoVRMLMaterial.h
/usr/include/Inventor/VRMLnodes/SoVRMLMovieTexture.h
/usr/include/Inventor/VRMLnodes/SoVRMLNavigationInfo.h
/usr/include/Inventor/VRMLnodes/SoVRMLNodes.h
/usr/include/Inventor/VRMLnodes/SoVRMLNormal.h
/usr/include/Inventor/VRMLnodes/SoVRMLNormalInterpolator.h
/usr/include/Inventor/VRMLnodes/SoVRMLOrientationInterpolator.h
/usr/include/Inventor/VRMLnodes/SoVRMLParent.h
/usr/include/Inventor/VRMLnodes/SoVRMLPixelTexture.h
/usr/include/Inventor/VRMLnodes/SoVRMLPlaneSensor.h
/usr/include/Inventor/VRMLnodes/SoVRMLPointLight.h
/usr/include/Inventor/VRMLnodes/SoVRMLPointSet.h
/usr/include/Inventor/VRMLnodes/SoVRMLPositionInterpolator.h
/usr/include/Inventor/VRMLnodes/SoVRMLProximitySensor.h
/usr/include/Inventor/VRMLnodes/SoVRMLScalarInterpolator.h
/usr/include/Inventor/VRMLnodes/SoVRMLScript.h
/usr/include/Inventor/VRMLnodes/SoVRMLSensor.h
/usr/include/Inventor/VRMLnodes/SoVRMLShape.h
/usr/include/Inventor/VRMLnodes/SoVRMLSound.h
/usr/include/Inventor/VRMLnodes/SoVRMLSphere.h
/usr/include/Inventor/VRMLnodes/SoVRMLSphereSensor.h
/usr/include/Inventor/VRMLnodes/SoVRMLSpotLight.h
/usr/include/Inventor/VRMLnodes/SoVRMLSubInterpolator.h
/usr/include/Inventor/VRMLnodes/SoVRMLSwitch.h
/usr/include/Inventor/VRMLnodes/SoVRMLText.h
/usr/include/Inventor/VRMLnodes/SoVRMLTexture.h
/usr/include/Inventor/VRMLnodes/SoVRMLTextureCoordinate.h
/usr/include/Inventor/VRMLnodes/SoVRMLTextureTransform.h
/usr/include/Inventor/VRMLnodes/SoVRMLTimeSensor.h
/usr/include/Inventor/VRMLnodes/SoVRMLTouchSensor.h
/usr/include/Inventor/VRMLnodes/SoVRMLTransform.h
/usr/include/Inventor/VRMLnodes/SoVRMLVertexLine.h
/usr/include/Inventor/VRMLnodes/SoVRMLVertexPoint.h
/usr/include/Inventor/VRMLnodes/SoVRMLVertexShape.h
/usr/include/Inventor/VRMLnodes/SoVRMLViewpoint.h
/usr/include/Inventor/VRMLnodes/SoVRMLVisibilitySensor.h
/usr/include/Inventor/VRMLnodes/SoVRMLWorldInfo.h