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Taxonomy and ultrastructure of five species of Tetraselmis (Prasinophyceae) isolated from China seas
Zhang Chengwu, Hu Hongjun
2002(4): 557-579.
Keywords: Taxonomy, ultrastructure, Tetraselmis, pyrenoid
Comparative ultrastructural investigations on twenty-three isolates of Tetraselmis from the South China Sea, East China Sea and Huanghai Sea, have revealed that these isolates belong to:(1) Tetraselmis chui Butcher; (2) T. cordiformis (H. J. Carter) Stein; (3) T. helgolandica Kylin; (4) T. suecica (Kylin) Butcher; (5) T. guangdongensis sp. nov. Except T. helgolandica,the others are new records in China. T. guangdongensis sp. nov. is a new species. Its external and anatomical features closely resemble those of T. impellucida McLachlan et Parke. As in that species the pyrenoid is penetrated from many directions by cytoplasmic channels delimited by a double membrane.The protoplast withdraws from the apical portion of the theca, that portion which overlaid the trough inverts and pops out in the form of a teat. But unlike that species a starch sheath is present; pyrenoid matrix is surrounded by thylakoids which intervenes between the matrix and the starch sheath surrounding pyrenoid; the theca is stratified.
Preliminary study on taxonomy of dinoflagellate cysts from major estuary and bays of Fujian Province, China
Dongzhao Lan, Chao Li, Qi Fang, Haifeng Gu
2003(3): 395-406.
Keywords: Fujian Province, sediment, dinoflagellate resting cysts, taxonomy
According to the morphology, wall structure, color, ornamentation, etc., 25 species belonging to 9 genera are identified and described from 144 sediment samples of the Xiamen Harbor, the mouth of the Minjiang River and the Sansha Bay. Among them there are 2 toxic species:Alexandrium minutun, A. tamarenes, 4 harmful species:Alexandrium affine, Lingulodinium polyedrum, Scrippsiella trochoide, Gonyaulax spinifera. It shows that 11 species of dinoflagellate cysts (Alexandrium affine, A. minutum, Diplopelta cf. parva, Polykrikos cf. schwartzii, protoceratium reticulatum, Protoperidinium minutum, P. cf. minutum,P. cf americanum and Alexandrium sp., Protoperidinium sp. 1, P. sp. 2) are first recorded along the coast of Fujian Province, China. These newly discovered species might be transported to the coastal sea of Fujian Province by ballast water of international trade vessels.
A survey on Anthomedusae(Hydrozoa: Hydroidomedusae) from the Taiwan Strait with description of new species and new combinations
XU Zhenzu, HUANG Jiaqi
2004(3): 549-562.
Keywords: Anthomedusae, taxonomy, Bougainvillidae, Pandeidae, Protiaridae, Tessieridae, Zancleidae
New data on Anthomedusae are included.Seven new species and 2 new combinations are described.An additional Teissiera polypofera Xu,Huang and Chen,1991 is redescribed and its position of taxonomy is discussed.Other lists of species on Anthomedusae are summarized.
Phenotypic plasticity and taxonomy of Cladophora gracilis (Griffiths) Kützing (Cladophorales, Chlorophyta) in the western Yellow Sea with the implication of its DNA barcode
Bingxin Huang, Linhong Teng, Jingjing Jiang, Lanping Ding
2020, 39(10): 162-170. doi: 10.1007/s13131-020-1586-0  Published:2020-10-25
Keywords: Cladophora gracilis, morphology observation, molecular identification, 18S rDNA, ITS
Due to extensive morphological plasticity, the taxonomy of Cladophora species remains unclear. As one of the widely distributed species, C. gracilis was reported to hold many varieties, which make it difficult to identify the species. This study explored the morphology diversity of nine C. gracilis samples collected along the coast of western Yellow Sea. Some samples showed extremely varied characteristics, by which one cannot classify them correctly. Hence, 18S rDNA and nuclear ribosomal DNA internal transcribed spacer regions (ITS) sequences were employed to delimit species. For 18S rDNA, sequence similarity ranged from 99.6% to 100%. For ITS region, the similarity ranged from 98.7% to 100%. Molecular data strongly suggested that the morphologically heterogeneous samples were actually the same species. Characteristics comparison of the samples revealed that the taxonomy criteria including branching pattern and density, thallus color, height and texture varied widely, influenced by environmental conditions and age of alga. Besides, cell dimensions, as the relatively stable criterion, also exhibited intraspecific variance. Successful application of 18S rDNA and ITS sequences indicated that molecular method can be a powerful assistant as DNA barcodes to traditional morphology taxonomy.
Marine green alga Cladophora aokii Yamada and its epiphytes from Yinggehai, Hainan, China: morphological taxonomy, formation and analysis of its environmental adaption
DING Lanping, DAI Yue, HUANG Bingxin, LI Yongmei, LIU Rui, DENG Shaoyang
2018, 37(10): 40-45. doi: 10.1007/s13131-018-1299-9
Keywords: Hainan, Yinggehai, Cladophoraceae, morphological taxonomy, growth pattern, environmental adaption
Based on specimens collected in Yinggehai, Hainan, China from 2013 to 2016, a stable epiphytic taxon is found on the surface of the individual of marine green alga Cladophora aokii Yamada. According to the morphological characteristics, the taxonomy of Cl. aokii and its epiphytes is carried out. There are some epiphytes attached on Cl. aokii Yamada including Cl. fascicularis (Mertens ex C. Agardh) Kützing, Chaetomorpha pachynema (Montagne) Kützing, Ceramium camouii Dawson, Licmophora abbreviata Agardh, Lyngbya sp. and Chattonella sp.. The formation of the individual of Cl. aokii is dissected and explained, which can help to analyze the adaption in details among this species, its epiphytes and native marine environment. The results reveal the marine macro-epiphytic taxonomy in Hainan, China, and preliminarily explain the adaptive relationship between macroalgae and environment.
A new pelagic Polyconchoecia Xiang, Chen and Du, 2018 (Ostracoda: Myodocopa: Halocyprididae) from the South China Sea
Peng Xiang, Yu Wang, Ruixiang Chen, Youyin Ye, Chunguang Wang, Xiaoyin Chen, Mao Lin
2020, 39(4): 73-83. doi: 10.1007/s13131-020-1584-2  Published:2020-04-25
Keywords: taxonomy, Ostracoda, Halocyprididae, Conchoeciini, Polyconchoecia chenii sp. nov., new species, South China Sea
Halocyprid ostracods are appreciable part of ostracods floating through virtually everywhere in marine environment. In this study, we describe a new species of genus Polyconchoecia Xiang, Chen and Du, 2018, tribe Conchoeciini Chavtur and Angel, 2011, family Halocyprididae Dana, 1853 from the middle of the South China Sea. Polyconchoecia chenii sp. nov. is very close to P. commixtus Xiang, Chen and Du, 2018. But it differs from P. commixtus by the distinctions of locations of major glands of carapace and the characteristics of appendages: more posteriorly situated left asymmetric gland of carapace, no right asymmetric gland; segmented frontal organ; the endopod 2 of the first antenna with a very small seta; a- and c-setae of the first antenna with long end joint have long end joint, the b- and d-setae have no end joint, spinose e-seta without end joint; the e-seta of the second antenna is present; teeth side is distinctive; the setal counts of the mandible, maxilla, fifth limb, and sixth limb are individual. The locations of the major glands on carapace and the characteristics of the first antenna can be the key of the new species. This work is the second discovery of the genus Polyconchoecia from the world.
APPLICATION OF ELECTRONIC COMPUTERTECHNIQUES TO TAXONOMY OFMARINE ORGANISMS
ZOU RBNLIN, ZHANG FUSHENG, ZHOU JINMING
1984(3): 424-432.
For the identification of Milleporidae in this paper four designs are given as follows:
(1) According to the morphological characters of the studied materials, the computer can present a rapid way to help in identifying specimens and to answer the tpecies name at well at its synonyms.
(2) The user can take the second design, if asking for synonyms, numbers and a check of the synonyms are shown on the Video Display of the micromputer.
(3) If you want to know the morphological characters of a certain specics, you can take the third design, that is, input a valid species name and its morphological characters will be output automatically.
(4) When asking for a valid or an invalid species of Millepora, you caa sclect the fourth design, i.e.input its Latin name and the computer will answer "it is a valid species" or "it is an invalid species and the synonym of a certain valid species".
Laurencia nanhaiense sp.nov.,a new species of the genus Laurencia(Rhodomelaceae,Rhodophyta) from China
DING Lanping, HUANG Bingxin, XIA Bangmei, TSENG C K
2007(5): 136-143.
Keywords: Rhodomelaceae, Laurencia nanhaiense, Rhodophyta, taxonomy, China
Laurencia nanhaiense sp.nov. (Rhodomelaceae, Rhodophyta) is described from Hainan and Guangdong Provinces, China.The new species clearly displays one of the defining features of the genus, viz.four periaxial cells per vegetative axial segment.It differs from other closely related species in having a combination of features such as terete axes from a basal system composed of a primary discoid holdfast and a secondary attachment to give rise to many short rhizoids, branching oppositely and alternately, irregularly tristichous or subverticillately polystichous, having more curve branches with very sparse, adventitious ultimate branchlets, non-projecting superficial cortical cells at the apices of ultimate branchlets, presence of longitudinally oriented secondary pit-connections between contiguous superficial cortical cells, absence of lenticular thickenings in the walls of medullary cells, parallel arrangement of tetrasporangia along the axis of stichidia, and presence of intercellular spaces between medullary cells.
Two new species of Ectopleura from the Taiwan Strait, China (Cnidaria, Hydroidomedusae)
LIN Mao, XU Zhenzu, HUANG Jiaqi, WANG Chunguang
2010(2): 58-61. doi: 10.1007/s13131-010-0022-2
Keywords: Ectopleura, Tubulariidae, Taxonomy, Taiwan Strait
Two new species of genus Ectopleura, i.e., Ectopleura elongata sp. nov. and E. triangularis sp. nov. are described in the present paper based on type specimens from the Taiwan Strait. The types are deposited in the Third Institute of Oceanography, State Oceanic Administration, Xiamen, China.
Report of Prionospio complex (Annelida: Polychaeta: Spionidae) from China's waters, with description of a new species
ZHOU Jin, LI Xinzheng
2009(1): 116-127.
Keywords: taxonomy, Prionospio complex, new species, newly recorded species, China's waters
Nine species of Prionospio complex are recorded from China's waters, including one new species and six newly recorded species. Prionospio (Prionospio) pacifica sp. nov., is characterized by having first and forth pairs of branchiae pinnate, second and third pairs of apinnate, ventral crest on Setiger 9 and dorsal crests on Setigers 10-25. Apoprionospio kirrae (Wilson, 1990), Prionospio (Aquilaspio) convexa Imajima, 1990, Prionospio (Minuspio) multibranchiata Berkeley, 1927, Prionospio (Prionospio) bocki Søderstrøm, 1920, Prionospio (Prionospio) dubia Maciolek, 1985 and Prionospio (Prionospio) paradisea Imajima, 1990 are recorded for the first time from China's waters.
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