Taxonomic Principles of Fusulinids

Price: $17.00


Author: Zhou Zuren
Language: Chinese and English bilingual
Published on: 1993-01

The Presence of foramen and Parachomata in Some Permian Staffelids is considered as a non-inheritable ecological variation related to their littoral habitat without taxonomic significance . The exclusive occurrence of staffellids in directly suggests their favour to restricted shallow water environmentt. The staffellids originally possess a calareous shell and 4-layered Fusulinella-type spirotheca systematically, they belong to the subfamily staffellinae, a side-branch of the family Fusulinidea.

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