Zhongmin SUN, Minh Dong DAO, Quoc Toan TRAN, et al. A new species Lobophora tsengii sp. nov. (Dictyotales; Phaeophyceae) from Bach Long Vy (Bailongwei) Island, Vietnam[J]. Journal of Oceanology and Limnology, 2021, 39(6): 2363-2369.
DOI:
Zhongmin SUN, Minh Dong DAO, Quoc Toan TRAN, et al. A new species Lobophora tsengii sp. nov. (Dictyotales; Phaeophyceae) from Bach Long Vy (Bailongwei) Island, Vietnam[J]. Journal of Oceanology and Limnology, 2021, 39(6): 2363-2369. DOI: 10.1007/s00343-020-0294-0.
A new species Lobophora tsengii sp. nov. (Dictyotales; Phaeophyceae) from Bach Long Vy (Bailongwei) Island, Vietnam
摘要
Abstract
A new species
Lobophora tsengii
is described from Bach Long Vy (Bailongwei) Island
Haiphong Province
Vietnam. The plants inhabit the subtidal zone and have predominantly erect fan-shaped thalli that attach to the substrate by a basal holdfast. The thallus is commonly composed of a single layer of large medullary cells with four layers of cortical cells on either side of the medulla. The newly collected specimens from the island are morphologically similar to those from Hainan Island
China
but differ from the New Caledonian ones in having thicker thallus. In molecular phylogenetic analyses based on concatenated
rbc
L and
cox3
s equences
the specimens from the island were 100% identical to those from Hainan Island
China
and they formed a clade separating from other
Lobophora
species. Additionally
based on analyses of numerous
cox3
s equences
our specimens were also distinguished from the closely related taxa occurring in New Caledonia
Kenya
and West Australia. Combining the morphological and molecular analyses
we conclude that our specimens represent a new species of
Lobophora
which is apparently endemic to the Beibu Gulf (Gulf of Tonkin) and adjacent waters.
关键词
Keywords
references
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