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56 Šn/952-sep.
LUDVIGSEN, Rolf
The Ordovician Trilobite Pseudogygites Kobayashi in Eastern and Arctic North America / Rolf Ludvigsen. -- 46 s. : il. (tab., fotografie). -- In: Life Sciences Contributions. -- 120 (1979). -- ISBN 0-88854-247-x pa.. -- s. 1-41. -- Royal Ontario Museum
Paleontologie
Ordovician
Trilobite
Pseudogygites
kobayashi
Eastern
Arctic
North
America
North America
ëndemic
Kanada
Systematic
description
Moulting
Origin
56
64217
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