| เลขที่อ้างอิง | การเขียนคำอธิบาย | ปี | ชื่อที่ใช้ | หน้า |
|---|---|---|---|---|
| 833 | Ruppert, E.E., R.S. Fox and R.D. Barnes 2004 Invertebrate Zoology. A functional evolutionary approach. 7th Ed. Brooks/Cole, Thomson Learning learning, Inc. 990 p. | 2004 | Opisthoteuthis hardyi | --> |
| 96968 | Jereb, P., C.F.E. Roper, M.D. Norman and J.K. Finn 2014 Cephalopods of the world. An Annotated and Illustrated catalogue of Cephalopod species known to date. Vol. 3. Octopods and vampire squids. FAO Species Catalogue for Fishery Purposes 3(4):370p. | 2014 | Opisthoteuthis hardyi | 252 |
| 127697 |
IUCN 2022 The IUCN Red List of Threatened Species. Version 2022-1. |
2022 | Opisthoteuthis hardyi | --> |
| 130435 | IUCN 2025 The IUCN Red List of Threatened Species. 1964 - onwards. https://www.iucnredlist.org/ | 2025 | Opisthoteuthis hardyi | ver.2025-1 |