Legend of abbreviations used on the PaleoPhilatelie catalogue pages
| Code | Description | Stamp example |
| pF | Paleontologic Fossil, bones, part of full skeletons of prehistoric animals, fishes. Footprint of prehistoric animals, plants etc. in stones. |  |
| pR | Paleontologic Reconstruction of prehistoric animals, birds, fishs, insects, plants etc. |  |
| An | Paleo-Antropology: fossil or reconstruction of prehistoric Human, Cave painting, tools of prehistoric man, etc... | 
|
| Pp | Professional Paleontologists or Paleoantropologists | 
|
| Co | Contributors: Amateurs paleontologist, fossil collectors, patrons, sponsors of Paleontological expeditions, museums, none paleontologist but scientists at other fields who made or make an influence on a Paleontology or Paleoanthropology. |  |
| Dw | Charles Darwin: stamps depicting Charles Darwin Due the fact there are many, they are organized in the separate group. |
 |
| Ot | Others: paleontological Museums, Research Institutes, fossil sites, etc... |  |
| Ud | Undesired:
stamps were issued with only one purpose - to be sold for collectors. Stamp of countries who issued too many or too expensive stamps. |
According to SPECIAL REGULATIONS FOR THE EVALUATION OF THEMATIC EXHIBITS AT FIP EXHIBITIONS "Appropriate postal-philatelic material is that which, for the purpose of transmitting mail or other postal communications, has been issued, intended for issue, or produced in the preparation for issue, used, or treated as valid for postage by governmental, local or private postal agencies, or by other duly commissioned or empowered authorities." The list of Undesired stamps was created according to FIP statement above and on "Stamps We Should Better Avoid" and "Stamps We Should Resist" lists of Philatelic Webmaster Organization (PWO) The following examples shows stamps of Comoros Islands from 2009 and Mozambique from 2019:
|
Legend of abbreviations used for postmarks and meter franking description
[DU] - exact Date of first introduction and/or last usage is unknown. Clarifications and comments are welcome.
[FDC] - Post Marks used on FDC of official stamp
[PM] - Permanent postmark: available for a long period of time, some small design changes possible.
[OS] - Old Scan - the scan is from an old philatelic magazine, real color of the postmark might be different.
[Sp] - Special postmark: issued for special event and was available for short period of time.
[N] - New design of an existing postmark
"-" - example of postal used cover or postcard with the postmark is missing - WANTED.