English speaking forums

Forum

Thread

StampCommunity.org

StampBears.com

ThesSampForum (TSF)
Prehistoric Animals and Plants on Covers and Postmarks
Paleontology on stamps: prehistoric animals, plants, fosssil Darwin on stamp

STAMP Magazine

StampBoards.com
Paleontology on Stamps
PhilaTalk.com
Dinosaurs & Co
German speaking forums
Paleophilatelie: Palontologie und Philatelie @ BDPh Paleophilatelie: Palontologie und Philatelie @ briefmarken-forum

Saurier @ DPhJ-Forum Motiv Dinosaurier @ Philaseiten

Russian speaking forums

Prehistorical Animals on stamps @ ourfilcollections.forumbb.ru Paleontlogy on stamps [1] [2] @ forumuuu.com
Paleo-zoology on stamps @ mirmarok.ru Paleontology on coins @ retrov.ru Prehistorical Animals on stamps @ retrov.ru
Prehistorical Animals on stamps @ filatelistov.forumbb.ru Paleontology on stamps @ filatelist.ru Prehistorical Animals on stamps @ vk.com

Forums on other languages

Some International forums
Dinossauros @ Selos do Brasil (Portuguese and some English)