OLIGOMERIZATION IN COPEPODA CYCLOPOIDA AS A KIND OF ORTHOGENETIC EVOLUTION IN THE ANIMAL KINGDOM

OLIGOMERIZATION IN COPEPODA CYCLOPOIDA AS A KIND OF ORTHOGENETIC EVOLUTION IN THE ANIMAL KINGDOM OLIGOMERIZATION IN COPEPODA CYCLOPOIDA AS A KIND OF ORTHOGENETIC EVOLUTION IN THE ANIMAL KINGDOM BY V. I. MONCHENKO 1 ) and J. C. VON VAUPEL KLEIN 2 ) 1 ) Institute of Zoology of the National Academy of Sciences, B. Khmelnitsky str., 15, UA-252601 Kiev-30, Ukraine 2 ) Division of Systematic Zoology at Leiden University, c/o National Museum of Natural History, P.O. Box 9517, NL-2300 RA Leyden, The Netherlands ABSTRACT The morphological-evolutionary notions on oligomerization (i.e., reduction in numbers of seg- ments) of the thoracic limbs and the ® rst antenna in Copepoda Cyclopoida are examined in detail. It is shown that the process of oligomerization is correlated to a large extent with a decrease in body length. The oligomerization of the thoracic limbs is evolutionarily irreversible, thus capable of channeling the further pathways of morphological development. Consequently, its successive steps in phylogenetic lineages are considered to represent a kind of orthogenetic evolution. R  ESUM  E Les notions morphologiques-  evolutionnaires sur l’ oligom  erisation (c’ est- Á a-dire sur la r  eduction du nombre des segments) des pattes thoraciques et de la premi Á ere antenne chez les Cop  epodes Cyclopoida sont http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Crustaceana Brill

OLIGOMERIZATION IN COPEPODA CYCLOPOIDA AS A KIND OF ORTHOGENETIC EVOLUTION IN THE ANIMAL KINGDOM

Crustaceana, Volume 72 (3): 241 – Jan 1, 1999

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Publisher
Brill
Copyright
© 1999 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0011-216x
eISSN
1568-5403
D.O.I.
10.1163/156854099503320
Publisher site
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Abstract

OLIGOMERIZATION IN COPEPODA CYCLOPOIDA AS A KIND OF ORTHOGENETIC EVOLUTION IN THE ANIMAL KINGDOM BY V. I. MONCHENKO 1 ) and J. C. VON VAUPEL KLEIN 2 ) 1 ) Institute of Zoology of the National Academy of Sciences, B. Khmelnitsky str., 15, UA-252601 Kiev-30, Ukraine 2 ) Division of Systematic Zoology at Leiden University, c/o National Museum of Natural History, P.O. Box 9517, NL-2300 RA Leyden, The Netherlands ABSTRACT The morphological-evolutionary notions on oligomerization (i.e., reduction in numbers of seg- ments) of the thoracic limbs and the ® rst antenna in Copepoda Cyclopoida are examined in detail. It is shown that the process of oligomerization is correlated to a large extent with a decrease in body length. The oligomerization of the thoracic limbs is evolutionarily irreversible, thus capable of channeling the further pathways of morphological development. Consequently, its successive steps in phylogenetic lineages are considered to represent a kind of orthogenetic evolution. R  ESUM  E Les notions morphologiques-  evolutionnaires sur l’ oligom  erisation (c’ est- Á a-dire sur la r  eduction du nombre des segments) des pattes thoraciques et de la premi Á ere antenne chez les Cop  epodes Cyclopoida sont

Journal

CrustaceanaBrill

Published: Jan 1, 1999

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