|Souvenir Sheet Astrochelys yniphora in catalogues|
|Colnect codes:||Col: NE 2018-60|
Souvenir Sheet is square format.Although this edition was authorized by the Niger postal administration, it was not sold in Niger, but only distributed to the novelty trade by the Nigerian philatelic agency.
Also in the issue Turtles (2018.2):
Data entry completed
|Souvenir Sheet Astrochelys yniphora in digits|
|Face Value:||3,300 West African CFA franc|
Souvenir Sheet Astrochelys yniphora it reflects the thematic directions:
Reptiles are tetrapod (four-limbed vertebrate) animals in the class Reptilia, comprising today's turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct relatives. The study of these traditional reptile orders, historically combined with that of modern amphibians, is called herpetology. Because some reptiles are more closely related to birds than they are to other reptiles (e.g., crocodiles are more closely related to birds than they are to lizards), the traditional groups of "reptiles" listed above do not together constitute a monophyletic grouping (or clade). For this reason, many modern scientists prefer to consider the birds part of Reptilia as well, thereby making Reptilia a monophyletic class.
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