diff --git a/nextclade/README.md b/nextclade/README.md
index fbd5ced..991cabc 100644
--- a/nextclade/README.md
+++ b/nextclade/README.md
@@ -27,6 +27,9 @@ following genotypes as described in the aforementioned two papers:
 | Clade VI  | South America I     |
 | Clade VII | South America II    |
 
+(N.b., this table is available as a TSV in this repo, at
+`nextclade/defaults/clade-to-genotype.tsv`.)
+
 ## How to create a new tree
 
 * Run the workflow: `nextstrain build .`
diff --git a/nextclade/defaults/clade-to-genotype.tsv b/nextclade/defaults/clade-to-genotype.tsv
new file mode 100644
index 0000000..ff69d0a
--- /dev/null
+++ b/nextclade/defaults/clade-to-genotype.tsv
@@ -0,0 +1,8 @@
+Clade	Genotype
+Clade I	Angola
+Clade II	East Africa
+Clade III	East Central/Africa
+Clade IV	West Africa I
+Clade V	West Africa II
+Clade VI	South America I
+Clade VII	South America II