The Biology Unit was organized in May 1951 and is the largest group dedicated to the international
cooperative study of biological postage stamps and related material. The journal Biophilately
averages 50 pages per issue, covering the new zoological and botanical issues of the world.
This website is provided for the benefit of all people interested in Astrophilately
which is a branch of philately that records the historical events of astronomy, stratospheric
flights, rocket mail, space research programmes, manned space flight, telecommunication, and
These pages feature stamps of animals which once were or are still considered legendary, but which may actually exist.
Stamps of animals thought to be extinct but which have been found alive are also featured. Other stamps
depict supposedly extinct animals for which sightings continue to occur. All of these animals are
called "cryptids." Cryptozoology is the study of cryptids.
A Selective History of Science on Stamps by Maiken Naylor. Topics covered are: astronomy and cosmology,
instruments and measurement, mathematics and computation, chemistry, evolution and the fossil record,
biology, heredity and the genetic code, physics, electromagnetic theory and light, geology and
mapping, the Nobel Prizes.