Thesis
The phylogenetics of the Lamprologini (Perciformes: Cichlidae) based on morphology and DNA sequence data
Schelly, R.C.
Record Number:
6491
Year:
2006
Notes:
Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy
in the Graduate School of Arts and Sciences Columbia University
UMI Number: 3213589
Abstract:
This investigation explores two problems: the intrarelationships of the
lamprologine cichlids of Lake Tanganyika, the Malagarasi River, and the Congo
River, and the placement of the lamprologine radiation within African cichlids
generally. To address these questions, a large dataset is assembled, combining
morphological and molecular data, from both the mitochondrial and nuclear genomes.
In total, 175 species are analyzed in a combined analysis based on 131 morphological
characters and sequence data from mitochondrial 12S, 16S, C O l, and an intron from
nuclear S7. Certain relationships are robustly supported, such as a close relationship
between lamprologines, the H-lineage haplochromines and allies, and eretmodines,
and within lamprologines, a clade united by the appearance of a labial ossification
nested within a paraphyletic assemblage of non-ossified species. A cautious approach
is taken to revising the classification of lamprologines, balancing the need to eliminate
polyphyletic genera with some restraint when dealing with nodes that remain
equivocal
Times Cited:
1
Relevent Species:
Related Records:
Poll, M. (1959)
Résultats scientifiques des missions zoologiques au Stanley Pool subsidiées par le Cemubac (Université Libre de Bruxelles) et la Musée Royal du Congo (1957-1958)
Roberts, T.R. and Stewart, D.J. (1976)An ecological and systematic survey of fishes in the rapids of the lower Zaire or Congo river
Decu, V., Juberthie, C. and Tercafs, R. (2001)Republique Democratique Du Congo (ex-Zaire)
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and DNA sequence data
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