diff --git a/pkgs/by-name/pa/paup/package.nix b/pkgs/by-name/pa/paup/package.nix
new file mode 100644
index 000000000000..62bb5206587a
--- /dev/null
+++ b/pkgs/by-name/pa/paup/package.nix
@@ -0,0 +1,52 @@
+{
+  lib,
+  stdenvNoCC,
+  fetchurl,
+  autoPatchelfHook,
+  curl,
+  gfortran,
+  zlib,
+}:
+
+stdenvNoCC.mkDerivation {
+  pname = "paup";
+  version = "4.0a168";
+
+  src = fetchurl {
+    url = "http://phylosolutions.com/paup-test/paup4a168_centos64.gz";
+    hash = "sha256-41dZswlrIQ05f1zJzId78DKmPf0QH1SfrexzvCAUxq8=";
+  };
+
+  unpackPhase = ''
+    runHook preUnpack
+
+    gunzip -c $src > paup
+
+    runHook postUnpack
+  '';
+
+  nativeBuildInputs = [ autoPatchelfHook ];
+  buildInputs = [
+    curl
+    gfortran
+    zlib
+  ];
+
+  installPhase = ''
+    runHook preInstall
+
+    install -Dm755 paup -t $out/bin
+
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "A software package for inferring evolutionary trees";
+    homepage = "http://phylosolutions.com/paup-test/";
+    license = lib.licenses.unfree;
+    sourceProvenance = [ lib.sourceTypes.binaryNativeCode ];
+    maintainers = with lib.maintainers; [ pandapip1 ];
+    mainProgram = "paup";
+    platforms = [ "x86_64-linux" ];
+  };
+}