Morphological links in an evolutionary sequence of the Cretaceous ammonite genus Metoicoceras Hyatt

Species of the ammonite genus Metoicoceras are not generally strongly differentiated with respect to coiling and ornament. The present study addresses the problem of how well purely visual (subjective) identification succeeds in identifying taxonomically and hence evolutionarily relevant differences...

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Những tác giả chính: Reyment, R, Kennedy, W
Định dạng: Journal article
Ngôn ngữ:English
Được phát hành: 2000