Genealogical concordance is a critical overlay of all phylogenetic analyses, irrespective of taxonomic level. To assess such patterns of congruence we have compiled and derived sequence data for two mitochondrial (16S rRNA, COI) and two nuclear (ITS1, p26) markers in 14 American populations of the hypersaline branchiopod Artemia franciscana. Cladistic analysis revealed three reciprocally monophyletic mitochondrial clades. For nuclear DNA, incomplete lineage sorting was evident presumably as a result of slower coalescence or male-mediated dispersal. Our findings capture the genealogical interval between gene splitting and population divergence. In this sense, strong indications are provided in favour of a superspecies status and ongoing speciation in A. franciscana.
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Konkuk Univ, Dept Environm Hlth Sci, 120 Neungdong Ro, Seoul 05029, South KoreaKonkuk Univ, Dept Environm Hlth Sci, 120 Neungdong Ro, Seoul 05029, South Korea
Kim, Lia
Kim, Sang A.
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Konkuk Univ, Dept Environm Hlth Sci, 120 Neungdong Ro, Seoul 05029, South KoreaKonkuk Univ, Dept Environm Hlth Sci, 120 Neungdong Ro, Seoul 05029, South Korea
Kim, Sang A.
Kim, Tae Hee
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Korea Inst Ind Technol, Adv Text R&D Dept, Ansan 426171, South KoreaKonkuk Univ, Dept Environm Hlth Sci, 120 Neungdong Ro, Seoul 05029, South Korea
Kim, Tae Hee
Kim, Juhea
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Korea Inst Ind Technol, Human Convergence Technol R&D Dept, Ansan 426171, South KoreaKonkuk Univ, Dept Environm Hlth Sci, 120 Neungdong Ro, Seoul 05029, South Korea
Kim, Juhea
An, Youn-Joo
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Konkuk Univ, Dept Environm Hlth Sci, 120 Neungdong Ro, Seoul 05029, South KoreaKonkuk Univ, Dept Environm Hlth Sci, 120 Neungdong Ro, Seoul 05029, South Korea