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- Title
Development of the extant diversity in halimeda is linked to vicariant events
- Authors
Calderon, Magnolia; Kooistra, Wiebe H. C. F.; Hillis, Llewellya W.
- Abstract
Partial 18S rDNA sequences, including a 102 base pair insertion, were used to infer a phylogeny among 48 samples across all sections in Halimeda Lamouroux, 1812. The phylogeny reveals a separation of the monophyletic section Rhipsalis into a western Atlantic and a western Pacific clade. Consequently, morphologically similar species within this section such as H. monile (Ellis & Solander) Lamouroux (western Atlantic), and H. cylindracea Decaisne (western Pacific), are not sistertaxa. Vicariant events that separated the tropical regions of the Atlantic and Indo-Pacific Oceans can explain the observed biogeographical pattern in section Rhipsalis.
- Subjects
HALIMEDA; PHYTOGEOGRAPHY; PHYLOGENY; LIMNOLOGY; EVOLUTIONARY theories; MARINE biology
- Publication
Hydrobiologia, 1999, Vol 398/399, p39
- ISSN
0018-8158
- Publication type
Article