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Title: Lasbecia Trilobata n.gen.,n.sp.from the Brandenberg formation (Middle Devonian ) of Westphalia , Germany
Authors: Mustafa, Hakam
Subject: Trilobites - Germany;Arthrooda , Fossil - Germany
Issue Date: 1999
Publisher: عمادة البحث العلمي والدراسات العليا - جامعة اليرموك
Abstract: Lasbecia Trilobata n.gen.,n.sp. is described on the basis of one pyritized and anatomically preserved specimen from the brandenberg formation (Upper Eifelian , Middle Devonian ) of westphalia -Germany . the primary xylem is triarch in transverse section . it consists of protoxylem and metaxylem-tracheids . the protoxylem is composed of six exarch groups situated on the distal corners of the arms (two per every arm) the primary xylem is surrounded by well developed secondary xylem.
Description: أبحاث اليرموك : سلسلة العلوم الأساسية و الهندسية
1999, Vol. 8, Issue 2, p49-61
ill.,Plates 2
Includes References
Document Type: Article
Language: ENG
Appears in Collections:Abhath Al-Yarmouk Basic Science & Engineering - AYBSE

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