Sporolithon mesophoticum sp. nov. (Sporolithales, Rhodophyta) from Plantagenet Bank off Bermuda at a depth of 178 m

被引：10
作者：
Richards, Joseph L. [1 ]
Gabrielson, Paul W. [2 ]
Schneider, Craig W. [3 ]
机构：
[1] Univ Louisiana Lafayette, Biol Dept, Lafayette, LA 70504 USA
[2] Univ North Carolina Chapel Hill, Biol Dept & Herbarium, Coker Hall CB 3280, Chapel Hill, NC 27599 USA
[3] Trinity Coll, Dept Biol, Hartford, CT 06106 USA
来源：
PHYTOTAXA | 2018年 / 385卷 / 02期
关键词：
biogeography; coralline algae; marine algae; seaweeds; CORALLINALES; CORALLINOPHYCIDAE; GENUS;
D O I：
10.11646/phytotaxa.385.2.2
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
A coralline rhodolith was collected from a depth of 178 m, the lower end of the mesophotic zone, on Plantagenet Bank offshore of Bermuda by the submersible Nomad using a mechanical armature. DNA sequence comparisons of the plastid encoded psb A and rbcL loci of this specimen to Sporolithales from the tropical western Atlantic and worldwide revealed it to be an unnamed species of Sporolithon. Sporolithon mesophoticum sp. nov. possesses tetrasporangial son flush to slightly raised above the thallus surface and has uniquely flattened perithallial and meristematic cells. Thus far, the new species is the deepest known living marine macroalga that has been sequenced and placed into a phylogenetic context.
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收藏
页码：67 / 76
页数：10
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