Mount Dillon - EPSG:4157

WKT

GEOGCS["GCS_Mount_Dillon", 
	DATUM["D_Mount_Dillon", 
		SPHEROID["Clarke_1858", 6378293.645208759, 294.260676369]], 
	PRIMEM["Greenwich", 0.0], 
	UNIT["Degree", 0.0174532925199433]]

WKT2

GEOGCRS["GCS_Mount_Dillon", 
	DATUM["D_Mount_Dillon", 
		ELLIPSOID["Clarke_1858", 6378293.645208759, 294.260676369]], 
	PRIMEM["Greenwich", 0.0], 
	CS[ellipsoidal, 2], 
	AXIS["Latitude (lat)", north, 
		ORDER[1]], 
	AXIS["Longitude (lon)", east, 
		ORDER[2]], 
	ANGLEUNIT["Degree", 0.0174532925199433], 
	ID["EPSG", "4157"]]

Data from @esri/proj-codes

{
  "wkid": 4157,
  "latestWkid": 4157,
  "macro": "PE_GCS_MOUNT_DILLON",
  "name": "GCS_Mount_Dillon",
  "wkt": "GEOGCS[\"GCS_Mount_Dillon\",DATUM[\"D_Mount_Dillon\",SPHEROID[\"Clarke_1858\",6378293.645208759,294.260676369]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]]",
  "wkt2": "GEOGCRS[\"GCS_Mount_Dillon\",DATUM[\"D_Mount_Dillon\",ELLIPSOID[\"Clarke_1858\",6378293.645208759,294.260676369]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433],ID[\"EPSG\",\"4157\"]]",
  "description": "Mount Dillon",
  "authority": "EPSG",
  "version": "6.5(8.1.2)",
  "deprecated": "no",
  "areaname": "Trinidad and Tobago - Tobago - onshore",
  "extent": {
    "slat": 11.08,
    "nlat": 11.41,
    "llon": -60.9,
    "rlon": -60.44
  }
}