diff --git a/pages/columns/groups/@group/+data.ts b/pages/columns/groups/@group/+data.ts
index 8c6131157..d7f76f7fe 100644
--- a/pages/columns/groups/@group/+data.ts
+++ b/pages/columns/groups/@group/+data.ts
@@ -1,17 +1,19 @@
 import { pbdbDomain } from "@macrostrat-web/settings";
 import { fetchAPIData, fetchAPIRefs } from "~/_utils";
+import { getPrevalentTaxa } from "~/components/lex/data-helper";
 
 export async function data(pageContext) {
   const col_group_id = parseInt(pageContext.urlParsed.pathname.split("/")[3]);
 
   // Await all API calls
-  const [resData, colData, refs1, refs2] = await Promise.all([
+  const [resData, colData, fossilsData, refs1, refs2] = await Promise.all([
     fetchAPIData("/defs/groups", { col_group_id }),
     fetchAPIData("/columns", {
       col_group_id,
       response: "long",
       format: "geojson",
     }),
+    fetchAPIData("/fossils", { col_group_id, format: "geojson" }),
     fetchAPIRefs("/fossils", { col_group_id }),
     fetchAPIRefs("/columns", { col_group_id }),
   ]);
@@ -20,17 +22,7 @@ export async function data(pageContext) {
   const refValues2 = Object.values(refs2);
   const refs = [...refValues1, ...refValues2];
 
-  const cols = colData?.features
-    ?.map((feature) => feature.properties.col_id)
-    ?.join(",");
-
-  let taxaData = null;
-  if (cols) {
-    const response = await fetch(
-      `${pbdbDomain}/data1.2/occs/prevalence.json?limit=5&coll_id=${cols}`
-    );
-    taxaData = await response.json();
-  }
+  const taxaData = await getPrevalentTaxa(fossilsData);
 
   return { resData: resData[0], colData, taxaData, refs };
 }
diff --git a/pages/dev/columns-test/groups/@group/+data.ts b/pages/dev/columns-test/groups/@group/+data.ts
index 8c6131157..2b82facec 100644
--- a/pages/dev/columns-test/groups/@group/+data.ts
+++ b/pages/dev/columns-test/groups/@group/+data.ts
@@ -1,17 +1,19 @@
 import { pbdbDomain } from "@macrostrat-web/settings";
 import { fetchAPIData, fetchAPIRefs } from "~/_utils";
+import { getPrevalentTaxa } from "~/components/lex/data-helper";
 
 export async function data(pageContext) {
   const col_group_id = parseInt(pageContext.urlParsed.pathname.split("/")[3]);
 
   // Await all API calls
-  const [resData, colData, refs1, refs2] = await Promise.all([
+  const [resData, colData, fossilsData,refs1, refs2] = await Promise.all([
     fetchAPIData("/defs/groups", { col_group_id }),
     fetchAPIData("/columns", {
       col_group_id,
       response: "long",
       format: "geojson",
     }),
+    fetchAPIData("/fossils", { col_group_id, format: "geojson" }),
     fetchAPIRefs("/fossils", { col_group_id }),
     fetchAPIRefs("/columns", { col_group_id }),
   ]);
@@ -20,17 +22,7 @@ export async function data(pageContext) {
   const refValues2 = Object.values(refs2);
   const refs = [...refValues1, ...refValues2];
 
-  const cols = colData?.features
-    ?.map((feature) => feature.properties.col_id)
-    ?.join(",");
-
-  let taxaData = null;
-  if (cols) {
-    const response = await fetch(
-      `${pbdbDomain}/data1.2/occs/prevalence.json?limit=5&coll_id=${cols}`
-    );
-    taxaData = await response.json();
-  }
+  const taxaData = await getPrevalentTaxa(fossilsData);
 
   return { resData: resData[0], colData, taxaData, refs };
 }
diff --git a/pages/lex/economics/@id/+data.ts b/pages/lex/economics/@id/+data.ts
index 1adf6b3a8..568d906d6 100644
--- a/pages/lex/economics/@id/+data.ts
+++ b/pages/lex/economics/@id/+data.ts
@@ -1,5 +1,6 @@
 import { pbdbDomain } from "@macrostrat-web/settings";
 import { fetchAPIData, fetchAPIRefs } from "~/_utils";
+import { getPrevalentTaxa } from "~/components/lex/data-helper";
 
 export async function data(pageContext) {
   const econ_id = parseInt(pageContext.urlParsed.pathname.split("/")[3]);
@@ -42,26 +43,7 @@ export async function data(pageContext) {
   const refValues2 = refs2 ? Object.values(refs2) : [];
   const refs = [...refValues1, ...refValues2];
 
-  // Build column ID list for PBDB taxa fetch
-  const cols = colData?.features
-    ?.map((feature) => feature.properties.col_id)
-    ?.join(",");
-
-  let taxaData = null;
-  if (cols) {
-    try {
-      const response = await fetch(
-        `${pbdbDomain}/data1.2/occs/prevalence.json?limit=5&coll_id=${cols}`
-      );
-      if (response.ok) {
-        taxaData = await response.json();
-      } else {
-        console.warn("PBDB taxa fetch failed with status", response.status);
-      }
-    } catch (err) {
-      console.warn("Error fetching PBDB taxa data:", err);
-    }
-  }
+  const taxaData = await getPrevalentTaxa(fossilsData);
 
   return {
     resData: resData?.[0] ?? null,
diff --git a/pages/lex/environments/@id/+data.ts b/pages/lex/environments/@id/+data.ts
index d738a2921..245d24cda 100644
--- a/pages/lex/environments/@id/+data.ts
+++ b/pages/lex/environments/@id/+data.ts
@@ -1,5 +1,6 @@
 import { pbdbDomain } from "@macrostrat-web/settings";
 import { fetchAPIData, fetchAPIRefs } from "~/_utils";
+import { getPrevalentTaxa } from "~/components/lex/data-helper";
 
 export async function data(pageContext) {
   const environ_id = parseInt(pageContext.urlParsed.pathname.split("/")[3]);
@@ -48,21 +49,7 @@ export async function data(pageContext) {
     ?.join(",");
 
   // Fetch PBDB fossil prevalence data
-  let taxaData = null;
-  if (cols) {
-    try {
-      const response = await fetch(
-        `${pbdbDomain}/data1.2/occs/prevalence.json?limit=5&coll_id=${cols}`
-      );
-      if (response.ok) {
-        taxaData = await response.json();
-      } else {
-        console.warn("PBDB taxa fetch failed with status", response.status);
-      }
-    } catch (err) {
-      console.warn("Error fetching PBDB taxa data:", err);
-    }
-  }
+  const taxaData = await getPrevalentTaxa(fossilsData);
 
   return {
     resData: resData?.[0] ?? null,
diff --git a/pages/lex/intervals/@id/+data.ts b/pages/lex/intervals/@id/+data.ts
index e50405cc0..43af5f57f 100644
--- a/pages/lex/intervals/@id/+data.ts
+++ b/pages/lex/intervals/@id/+data.ts
@@ -1,5 +1,6 @@
 import { pbdbDomain } from "@macrostrat-web/settings";
 import { fetchAPIData, fetchAPIRefs } from "~/_utils";
+import { getPrevalentTaxa } from "~/components/lex/data-helper";
 
 export async function data(pageContext) {
   const int_id = parseInt(pageContext.urlParsed.pathname.split("/")[3]);
@@ -42,27 +43,7 @@ export async function data(pageContext) {
   const refValues2 = refs2 ? Object.values(refs2) : [];
   const refs = [...refValues1, ...refValues2];
 
-  // Extract column IDs
-  const cols = colData?.features
-    ?.map((feature) => feature.properties.col_id)
-    ?.join(",");
-
-  // Optional: Fetch PBDB taxa data
-  let taxaData = null;
-  if (cols) {
-    try {
-      const response = await fetch(
-        `${pbdbDomain}/data1.2/occs/prevalence.json?limit=5&coll_id=${cols}`
-      );
-      if (response.ok) {
-        taxaData = await response.json();
-      } else {
-        console.warn("PBDB taxa fetch failed with status", response.status);
-      }
-    } catch (err) {
-      console.warn("Error fetching PBDB taxa data:", err);
-    }
-  }
+  const taxaData = await getPrevalentTaxa(fossilsData);
 
   return {
     resData: resData?.[0] ?? null,
diff --git a/pages/lex/lithologies/@id/+Page.client.ts b/pages/lex/lithologies/@id/+Page.client.ts
index dc31c8381..1e89c485e 100644
--- a/pages/lex/lithologies/@id/+Page.client.ts
+++ b/pages/lex/lithologies/@id/+Page.client.ts
@@ -21,7 +21,7 @@ export function Page() {
   const features = colData?.features || [];
   const timescales = resData?.timescales || [];
 
-  console.log("resData:", resData);
+  console.log("fossil Data:", fossilsData);
 
   const children = [
     h(ColumnsTable, {
diff --git a/pages/lex/lithologies/@id/+data.ts b/pages/lex/lithologies/@id/+data.ts
index 514578b4a..a6fb50445 100644
--- a/pages/lex/lithologies/@id/+data.ts
+++ b/pages/lex/lithologies/@id/+data.ts
@@ -1,5 +1,6 @@
 import { pbdbDomain } from "@macrostrat-web/settings";
 import { fetchAPIData, fetchAPIRefs } from "~/_utils";
+import { getPrevalentTaxa } from "~/components/lex/data-helper";
 
 export async function data(pageContext) {
   const lith_id = parseInt(pageContext.urlParsed.pathname.split("/")[3]);
@@ -43,26 +44,7 @@ export async function data(pageContext) {
   const refValues2 = refs2 ? Object.values(refs2) : [];
   const refs = [...refValues1, ...refValues2];
 
-  // Extract column IDs to fetch taxa data (PBDB)
-  const cols = colData?.features
-    ?.map((feature) => feature.properties.col_id)
-    ?.join(",");
-
-  let taxaData = null;
-  if (cols) {
-    try {
-      const response = await fetch(
-        `${pbdbDomain}/data1.2/occs/prevalence.json?limit=5&coll_id=${cols}`
-      );
-      if (response.ok) {
-        taxaData = await response.json();
-      } else {
-        console.warn("PBDB taxa fetch failed with status", response.status);
-      }
-    } catch (err) {
-      console.warn("Error fetching taxa data from PBDB:", err);
-    }
-  }
+  const taxaData = await getPrevalentTaxa(fossilsData);
 
   return {
     resData: resData?.[0] ?? null,
diff --git a/pages/lex/strat-concepts/@id/+data.ts b/pages/lex/strat-concepts/@id/+data.ts
index 9efcce4fb..99f2d4629 100644
--- a/pages/lex/strat-concepts/@id/+data.ts
+++ b/pages/lex/strat-concepts/@id/+data.ts
@@ -1,5 +1,6 @@
 import { apiDomain, pbdbDomain } from "@macrostrat-web/settings";
 import { fetchAPIData, fetchAPIRefs } from "~/_utils";
+import { getPrevalentTaxa } from "~/components/lex/data-helper";
 
 export async function data(pageContext) {
   const concept_id = parseInt(pageContext.urlParsed.pathname.split("/")[3]);
@@ -21,17 +22,7 @@ export async function data(pageContext) {
   const refValues2 = refs2 ? Object.values(refs2) : [];
   const refs = [...refValues1, ...refValues2];
 
-  const cols = colData?.features
-    ?.map((feature) => feature.properties.col_id)
-    ?.join(",");
-
-  let taxaData = null;
-  if (cols) {
-    const response = await fetch(
-      `${pbdbDomain}/data1.2/occs/prevalence.json?limit=5&coll_id=${cols}`
-    );
-    taxaData = await response.json();
-  }
+  const taxaData = await getPrevalentTaxa(fossilsData);
 
   return { resData: resData[0], refs, fossilsData, colData, taxaData, unitsData };
 }
diff --git a/pages/lex/strat-names/@id/+data.ts b/pages/lex/strat-names/@id/+data.ts
index f9e01e008..87831c23e 100644
--- a/pages/lex/strat-names/@id/+data.ts
+++ b/pages/lex/strat-names/@id/+data.ts
@@ -1,5 +1,6 @@
 import { pbdbDomain } from "@macrostrat-web/settings";
 import { fetchAPIData, fetchAPIRefs } from "~/_utils";
+import { getPrevalentTaxa } from "~/components/lex/data-helper";
 
 export async function data(pageContext) {
   const strat_name_id = parseInt(pageContext.urlParsed.pathname.split("/")[3]);
@@ -24,17 +25,7 @@ export async function data(pageContext) {
   const refValues2 = Object.values(refs2);
   const refs = [...refValues1, ...refValues2];
 
-  const cols = colData?.features
-    ?.map((feature) => feature.properties.col_id)
-    ?.join(",");
-
-  let taxaData = null;
-  if (cols) {
-    const response = await fetch(
-      `${pbdbDomain}/data1.2/occs/prevalence.json?limit=5&coll_id=${cols}`
-    );
-    taxaData = await response.json();
-  }
+  const taxaData = await getPrevalentTaxa(fossilsData);
 
   return {
     resData: resData[0],
diff --git a/src/components/lex/data-helper.ts b/src/components/lex/data-helper.ts
new file mode 100644
index 000000000..42c31009a
--- /dev/null
+++ b/src/components/lex/data-helper.ts
@@ -0,0 +1,24 @@
+import { pbdbDomain } from "@macrostrat-web/settings";
+
+export async function getPrevalentTaxa(fossilsData) {
+    // Extract cltn IDs to fetch taxa data (PBDB)
+    const collectionIds = fossilsData?.features
+    ?.map((feature) => feature.properties.cltn_id)
+
+    let taxaData = null;
+    if (collectionIds && collectionIds.length > 0) {
+    try {
+        const response = await fetch(
+        `${pbdbDomain}/data1.2/occs/prevalence.json?limit=5&coll_id=${collectionIds.join(",")}`
+        );
+        if (response.ok) {
+        taxaData = await response.json();
+        } else {
+        console.warn("PBDB taxa fetch failed with status", response.status);
+        }
+    } catch (err) {
+        console.warn("Error fetching taxa data from PBDB:", err);
+    }
+    }
+    return taxaData;
+}
\ No newline at end of file