Hylonomus lyelli, Land Reptile, Carboniferous Period
Date of Issue
April 5, 1991
Prehistoric Life in Canada, The Age of Primitive Vertebrates
Series Time Span
Perforation or Dimension
12.5 x 13.5
Designed by Rolf P. Harder.
The second set of four commemorative stamps in the four-year series entitled "Prehistoric Life in Canada" will be released on April 5, 1991 in se-tenant miniature sheets of 20 stamps. The series is chronological and covers an interval of time from 1900 million to 10,000 years ago. The first four stamps in this series were issued as 39-cent denominations on July 12, 1990. This year the stamps depict organisms from approximately 380 to 270 million years ago which have been discovered fossilized in different parts of the country. Hylonomus lyelli, a reptile similar to a lizard, is depicted on the final stamp of the set. It lived during the Carboniferous Period, some 300 million years ago. The agile animal had well-developed limbs, a small head and conical teeth. Growing up to 40 cm in length, it was an insect-eater that breathed air and lived on land, where the females laid eggs. This early reptile was an evolutionary advancement. This series of stamps was designed by Rolf Harder, a Montreal graphic designer. The choice of subjects was made with the assistance of Canadian paleontologists, taking into account the evolutionary importance of the life form, its location in Canada and its visual suitability for depiction on a stamp. Mr. Harder has previously designed two sets of Forts stamps (1983 and 1985), the 1980 Rehabilitation stamp and the recent Parliament definitive stamps.
Canada Post Corporation. Canada's Stamp Details, No. 1, 1991, p. 1, 18-19.
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