First chimaeroid fish egg capsule (Chondrichthyes, Holocephali, Chimaeriformes) from upper Eocene Carmanah Group strata, West Coast of Vancouver Island, British Columbia, Canada

Canadian Journal of Earth Sciences, Volume 62, Issue 5, Page 1023-1042, May 2025.A rare and new fossil chimaeroid fish egg capsule specimen was discovered in marine lower Carmanah Group strata at Botanical Beach, Vancouver Island, British Columbia, Canada. The age of the egg capsule is late Eocene (35.35 ± 0.12 Ma), determined by strontium isotope dating and foraminifera biostratigraphy. The new specimen is a three-dimensional mold in calcareous sandstone and is herein described