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The Gyratrix hermaphroditus species complex (Kalyptorhynchia: Polycystididae) in marine habitats of eastern Australia

Curini Galletti, Marco and Puccinelli, Ileana (1998) The Gyratrix hermaphroditus species complex (Kalyptorhynchia: Polycystididae) in marine habitats of eastern Australia. Hydrobiologia, Vol. 383 (1-3), p. 287-298. eISSN 1573-5117. Article.

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DOI: 10.1023/A:1003456102035

Abstract

A karyological and morphological analysis of 97 specimens from eastern Australia belonging to the Gyratrix hermaphroditus species complex was performed. Based on karyotype and on details of sclerotized structures of the copulatory organ, the existence of at least eight sibling species in eastern Australia could be recognised. Some of the siblings have a wide distribution across eastern and northern Australia. Populations of wide-ranging species often showed degrees of karyological and morphological differentiation. The diversity of the group is particularly high in tropical Australia. Distribution of siblings appears to be affected by ecological and physical barriers, and determined by sediment texture.

Item Type:Article
ID Code:4151
Status:Published
Refereed:Yes
Uncontrolled Keywords:Platyhelminthes, Gyratrix species-complex, Australia, biodiversity, chromosomal evolution
Subjects:Area 05 - Scienze biologiche > BIO/05 Zoologia
Divisions:001 Università di Sassari > 01 Dipartimenti > Zoologia e genetica evoluzionistica
Publisher:Kluwer / Springer
eISSN:1573-5117
Copyright Holders:©1998 Kluwer Academic Publishers
Deposited On:13 Jul 2010 09:12

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