diff --git a/data/9F/02/65/9F0265739B5DFF9BD316DA10FC62AC5E.ttl b/data/9F/02/65/9F0265739B5DFF9BD316DA10FC62AC5E.ttl
index ce3908d860ea..4d3d3579e7c2 100644
--- a/data/9F/02/65/9F0265739B5DFF9BD316DA10FC62AC5E.ttl
+++ b/data/9F/02/65/9F0265739B5DFF9BD316DA10FC62AC5E.ttl
@@ -129,7 +129,9 @@
     dwc:eventDate "1969-06-28" ;
     dwc:locality "Trench" ;
     dwc:recordedBy "Z. A. Filatova" ;
+    dwc:samplingProtocol "Sigsbee trawl" ;
     dwc:typeStatus "holotype" ;
+    dwc:verbatimElevation "7370" ;
     dwc:verbatimLatitude "37.691666" ;
     dwc:verbatimLongitude "143.905" ;
     trt:gbifOccurrenceId "4020470312" ;
@@ -142,7 +144,9 @@
     dwc:eventDate "1976-06-21" ;
     dwc:locality "PACIFIC OCEAN" ;
     dwc:recordedBy "F. A. Pasternak" ;
+    dwc:samplingProtocol "Galathea trawl" ;
     dwc:typeStatus "paratype" ;
+    dwc:verbatimElevation "7350" ;
     dwc:verbatimLatitude "37.648335" ;
     dwc:verbatimLongitude "143.97166" ;
     trt:gbifOccurrenceId "4020470318" ;
@@ -155,7 +159,9 @@
     dwc:eventDate "1976-06-21" ;
     dwc:locality "PACIFIC OCEAN" ;
     dwc:recordedBy "F. A. Pasternak" ;
+    dwc:samplingProtocol "Galathea trawl" ;
     dwc:typeStatus "paratype" ;
+    dwc:verbatimElevation "7350" ;
     dwc:verbatimLatitude "37.648335" ;
     dwc:verbatimLongitude "143.97166" ;
     trt:gbifOccurrenceId "4020470311" ;
@@ -168,6 +174,8 @@
     dwc:eventDate "1976-06-23" ;
     dwc:locality "Trench" ;
     dwc:recordedBy "F. A. Pasternak" ;
+    dwc:samplingProtocol "Galathea trawl" ;
+    dwc:verbatimElevation "7540" ;
     dwc:verbatimLatitude "36.733334" ;
     dwc:verbatimLongitude "143.31667" ;
     trt:gbifOccurrenceId "4020470302" ;
@@ -180,6 +188,8 @@
     dwc:eventDate "1976-06-27" ;
     dwc:locality "Trench" ;
     dwc:recordedBy "F. A. Pasternak" ;
+    dwc:samplingProtocol "Okean grab" ;
+    dwc:verbatimElevation "7500" ;
     dwc:verbatimLatitude "38.633335" ;
     dwc:verbatimLongitude "144.1" ;
     trt:gbifOccurrenceId "4020470333" ;